#A37F6F

Closest named color: Reddish Grey (#997570). oklch(62.7% 0.051 45.1), rgb(163, 127, 111).

Aa

Black text reads best on this color (5.82:1).

About this color

#A37F6F is a medium-light, muted orange. In OKLCH its lightness is 63%, its chroma 0.051 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.034 away. Black text reads best on it, at 5.82:1.

Hue familyOranges
Lightnessmedium-light (63%)
Chromamuted (0.051)
Temperaturewarm
Nearest nameReddish Grey (#997570)
Black text5.82:1
White text3.60:1

Values

HEX#A37F6F
RGBrgb(163, 127, 111)
HSLhsl(18, 22%, 54%)
OKLCHoklch(62.7% 0.051 45.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #A37F6F 3.60:1 AA large text Lc -69.1 Content text, not long reading
Black text on #A37F6F 5.82:1 AA Lc 40.5 Non-text elements, placeholder text
#A37F6F text on white 3.60:1 AA large text Lc 63.6 Content text, not long reading
#A37F6F text on black 5.82:1 AA Lc -38.1 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F7F5F4

    oklch(97.1% 0.003 48.7)

  2. Step 100

    100

    #EEE8E6

    oklch(93.5% 0.007 39.5)

  3. Step 200

    200

    #E1D6D2

    oklch(88.4% 0.013 41.2)

  4. Step 300

    300

    #CFBCB4

    oklch(80.9% 0.024 44.3)

  5. Step 400

    400

    #B7998C

    oklch(70.6% 0.041 44.7)

  6. Step 500

    500 (this color)

    #A37F6F

    oklch(62.7% 0.051 45.1)

  7. Step 600

    600

    #8F6958

    oklch(55.5% 0.055 45.2)

  8. Step 700

    700

    #7A5848

    oklch(49.2% 0.052 46.2)

  9. Step 800

    800

    #63483C

    oklch(42.7% 0.042 45)

  10. Step 900

    900

    #513C33

    oklch(37.7% 0.033 44.3)

  11. Step 950

    950

    #2F231E

    oklch(26.9% 0.021 43.7)

Export this scale for Tailwind in the Tailwind colors tool

#A37F6F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#88826E0.043
Deuteranopia (no green cones)#908A6F0.041
Tritanopia (no blue cones)#AC797B0.031
Achromatopsia (no color)#8787870.051

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #A37F6F

    #A37F6F

    oklch(62.7% 0.051 45.1)

  • #678FA0

    #678FA0

    oklch(62.7% 0.051 226.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A37F6F

    #A37F6F

    oklch(62.7% 0.051 45.1)

  • #A57C7E

    #A57C7E

    oklch(62.7% 0.051 15.4)

  • #9A8466

    #9A8466

    oklch(62.6% 0.05 75.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #A37F6F

    #A37F6F

    oklch(62.7% 0.051 45.1)

  • #639292

    #639292

    oklch(62.6% 0.051 195.9)

  • #748AA7

    #748AA7

    oklch(62.7% 0.051 255.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A37F6F

    #A37F6F

    oklch(62.7% 0.051 45.1)

  • #6B9281

    #6B9281

    oklch(62.6% 0.05 166.1)

  • #8584A6

    #8584A6

    oklch(62.6% 0.051 286.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A37F6F

    #A37F6F

    oklch(62.7% 0.051 45.1)

  • #7B8F71

    #7B8F71

    oklch(62.6% 0.05 135.2)

  • #678FA0

    #678FA0

    oklch(62.7% 0.051 226.2)

  • #947F9E

    #947F9E

    oklch(62.6% 0.052 314.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A37F6F, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #A37F6F in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.