#181700

Closest named color: Almost Black (#070D0D). oklch(19.9% 0.043 107.6), rgb(24, 23, 0).

Aa

White text reads best on this color (18.08:1).

About this color

#181700 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.043 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.064 away. White text reads best on it, at 18.08:1.

Hue familyBrowns
Lightnessvery dark (20%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameAlmost Black (#070D0D)
Black text1.16:1
White text18.08:1

Values

HEX#181700
RGBrgb(24, 23, 0)
HSLhsl(58, 100%, 5%)
OKLCHoklch(19.9% 0.043 107.6)

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 #181700 18.08:1 AAA Lc -106.9 Preferred for body text
Black text on #181700 1.16:1 Fails Lc 0.0 Not readable
#181700 text on white 18.08:1 AAA Lc 104.8 Preferred for body text
#181700 text on black 1.16:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #F6F6F1

    oklch(97.2% 0.007 106.5)

  2. Step 100

    100

    #EAEBE0

    oklch(93.6% 0.015 110.9)

  3. Step 200

    200

    #DBDBC6

    oklch(88.6% 0.028 107)

  4. Step 300

    300

    #C3C49E

    oklch(81% 0.051 108.7)

  5. Step 400

    400

    #A5A568

    oklch(70.7% 0.082 108.3)

  6. Step 500

    500

    #908E3D

    oklch(63.1% 0.104 107.7)

  7. Step 600

    600

    #7B7714

    oklch(55.5% 0.112 107.1)

  8. Step 700

    700

    #676402

    oklch(49% 0.105 107.6)

  9. Step 800

    800

    #54520A

    oklch(42.7% 0.087 107.9)

  10. Step 900

    900

    #454413

    oklch(37.7% 0.068 108.1)

  11. Step 950

    950 (this color)

    #181700

    oklch(19.9% 0.043 107.6)

Export this scale for Tailwind in the Tailwind colors tool

#181700 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)#1A16000.005
Deuteranopia (no green cones)#1B17010.007
Tritanopia (no blue cones)#1B15120.038
Achromatopsia (no color)#1616160.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #181700

    #181700

    oklch(19.9% 0.043 107.6)

  • #151228

    #151228

    oklch(19.9% 0.043 288.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #181700

    #181700

    oklch(19.9% 0.043 107.6)

  • #201300

    #201300

    oklch(19.9% 0.042 78)

  • #0C1A06

    #0C1A06

    oklch(19.9% 0.043 136.7)

Open the analogous palette in the generator

Split complementary

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

  • #181700

    #181700

    oklch(19.9% 0.043 107.6)

  • #091629

    #091629

    oklch(20% 0.043 257.8)

  • #1E0F22

    #1E0F22

    oklch(19.9% 0.043 319)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #181700

    #181700

    oklch(19.9% 0.043 107.6)

  • #001923

    #001923

    oklch(19.9% 0.038 226.5)

  • #240D19

    #240D19

    oklch(20% 0.043 349.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #181700

    #181700

    oklch(19.9% 0.043 107.6)

  • #001A1B

    #001A1B

    oklch(19.8% 0.034 198.2)

  • #151228

    #151228

    oklch(19.9% 0.043 288.1)

  • #260D0E

    #260D0E

    oklch(19.9% 0.042 19.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #181700, closest first.

Similar named colors

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

Use #181700 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.