#131603

Closest named color: Almost Black (#070D0D). oklch(19.1% 0.036 116.7), rgb(19, 22, 3).

Aa

White text reads best on this color (18.36:1).

About this color

#131603 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.036 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 18.36:1.

Hue familyBrowns
Lightnessvery dark (19%)
Chromamuted (0.036)
Temperaturein between
Nearest nameAlmost Black (#070D0D)
Black text1.14:1
White text18.36:1

Values

HEX#131603
RGBrgb(19, 22, 3)
HSLhsl(69, 76%, 5%)
OKLCHoklch(19.1% 0.036 116.7)

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 #131603 18.36:1 AAA Lc -107.1 Preferred for body text
Black text on #131603 1.14:1 Fails Lc 0.0 Not readable
#131603 text on white 18.36:1 AAA Lc 105.0 Preferred for body text
#131603 text on black 1.14:1 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

    #F5F6F2

    oklch(97.1% 0.005 117.9)

  2. Step 100

    100

    #E9EBE2

    oklch(93.6% 0.012 116.8)

  3. Step 200

    200

    #D8DBCA

    oklch(88.4% 0.023 115)

  4. Step 300

    300

    #BEC5A5

    oklch(80.9% 0.044 117.4)

  5. Step 400

    400

    #9DA775

    oklch(70.8% 0.07 117.4)

  6. Step 500

    500

    #869050

    oklch(63% 0.088 116.3)

  7. Step 600

    600

    #707A34

    oklch(55.5% 0.095 116.4)

  8. Step 700

    700

    #5E6726

    oklch(49.2% 0.089 116.4)

  9. Step 800

    800

    #4C5421

    oklch(42.7% 0.074 117.1)

  10. Step 900

    900

    #404520

    oklch(37.6% 0.057 115.5)

  11. Step 950

    950 (this color)

    #131603

    oklch(19.1% 0.036 116.7)

Export this scale for Tailwind in the Tailwind colors tool

#131603 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)#1814020.011
Deuteranopia (no green cones)#1815040.011
Tritanopia (no blue cones)#1514120.033
Achromatopsia (no color)#1414140.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #131603

    #131603

    oklch(19.1% 0.036 116.7)

  • #161022

    #161022

    oklch(19.1% 0.036 298.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #131603

    #131603

    oklch(19.1% 0.036 116.7)

  • #1B1301

    #1B1301

    oklch(19.2% 0.037 88.2)

  • #08180A

    #08180A

    oklch(19% 0.036 146.9)

Open the analogous palette in the generator

Split complementary

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

  • #131603

    #131603

    oklch(19.1% 0.036 116.7)

  • #0D1324

    #0D1324

    oklch(19.1% 0.036 268.2)

  • #1C0E1D

    #1C0E1D

    oklch(19.1% 0.036 324.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #131603

    #131603

    oklch(19.1% 0.036 116.7)

  • #031622

    #031622

    oklch(19.1% 0.036 237.8)

  • #210D14

    #210D14

    oklch(19.2% 0.036 358.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #131603

    #131603

    oklch(19.1% 0.036 116.7)

  • #00181B

    #00181B

    oklch(19.1% 0.033 205.6)

  • #161022

    #161022

    oklch(19.1% 0.036 298.2)

  • #220D0B

    #220D0B

    oklch(19.1% 0.036 26.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #131603, closest first.

Similar named colors

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

Use #131603 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.