#623F2F

Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.056 45.3), rgb(98, 63, 47).

Aa

White text reads best on this color (9.24:1).

About this color

#623F2F is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.24:1.

Hue familyBrowns
Lightnessdark (40%)
Chromamuted (0.056)
Temperaturewarm
Nearest namePurple Brown (#673A3F)
Black text2.27:1
White text9.24:1

Values

HEX#623F2F
RGBrgb(98, 63, 47)
HSLhsl(19, 35%, 28%)
OKLCHoklch(40.4% 0.056 45.3)

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 #623F2F 9.24:1 AAA Lc -95.5 Preferred for body text
Black text on #623F2F 2.27:1 Fails Lc 12.8 Not readable
#623F2F text on white 9.24:1 AAA Lc 91.2 Preferred for body text
#623F2F text on black 2.27:1 Fails Lc -11.1 Not readable

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 800.

  1. Step 50

    50

    #F8F5F3

    oklch(97.2% 0.004 56.4)

  2. Step 100

    100

    #F0E8E5

    oklch(93.6% 0.01 41.9)

  3. Step 200

    200

    #E4D6CF

    oklch(88.5% 0.018 48.5)

  4. Step 300

    300

    #D4BBB0

    oklch(81% 0.033 45.2)

  5. Step 400

    400

    #BD9786

    oklch(70.7% 0.052 45.4)

  6. Step 500

    500

    #AC7D68

    oklch(63.1% 0.066 45.1)

  7. Step 600

    600

    #97664F

    oklch(55.6% 0.072 45.9)

  8. Step 700

    700

    #815440

    oklch(49.1% 0.068 44.7)

  9. Step 800

    800 (this color)

    #623F2F

    oklch(40.4% 0.056 45.3)

  10. Step 900

    900

    #553A2E

    oklch(37.6% 0.043 44.9)

  11. Step 950

    950

    #32221B

    oklch(26.9% 0.028 44.6)

Export this scale for Tailwind in the Tailwind colors tool

#623F2F 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)#48432E0.049
Deuteranopia (no green cones)#504A2F0.045
Tritanopia (no blue cones)#6A393B0.033
Achromatopsia (no color)#4747470.056

Harmonies

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

Complementary

The opposite hue (180°).

  • #623F2F

    #623F2F

    oklch(40.4% 0.056 45.3)

  • #234F60

    #234F60

    oklch(40.4% 0.056 226.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #623F2F

    #623F2F

    oklch(40.4% 0.056 45.3)

  • #633C3F

    #633C3F

    oklch(40.3% 0.055 14.8)

  • #5A4425

    #5A4425

    oklch(40.3% 0.055 74.6)

Open the analogous palette in the generator

Split complementary

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

  • #623F2F

    #623F2F

    oklch(40.4% 0.056 45.3)

  • #1D5252

    #1D5252

    oklch(40.4% 0.055 195.2)

  • #344A67

    #344A67

    oklch(40.4% 0.056 255.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #623F2F

    #623F2F

    oklch(40.4% 0.056 45.3)

  • #295241

    #295241

    oklch(40.3% 0.055 164.9)

  • #464466

    #464466

    oklch(40.4% 0.057 286.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #623F2F

    #623F2F

    oklch(40.4% 0.056 45.3)

  • #3B5031

    #3B5031

    oklch(40.5% 0.056 136)

  • #234F60

    #234F60

    oklch(40.4% 0.056 226.1)

  • #543F5D

    #543F5D

    oklch(40.2% 0.056 315.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #623F2F, closest first.

Similar named colors

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

Use #623F2F 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.