#131A2E

Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.041 268.3), rgb(19, 26, 46).

Aa

White text reads best on this color (17.28:1).

About this color

#131A2E is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.041 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.013 away. White text reads best on it, at 17.28:1.

Hue familyBlues
Lightnessvery dark (22%)
Chromamuted (0.041)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.21:1
White text17.28:1

Values

HEX#131A2E
RGBrgb(19, 26, 46)
HSLhsl(224, 42%, 13%)
OKLCHoklch(22.2% 0.041 268.3)

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 #131A2E 17.28:1 AAA Lc -106.4 Preferred for body text
Black text on #131A2E 1.21:1 Fails Lc 0.0 Not readable
#131A2E text on white 17.28:1 AAA Lc 104.1 Preferred for body text
#131A2E text on black 1.21:1 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

    #F3F5FA

    oklch(97% 0.007 268.5)

  2. Step 100

    100

    #E6EAF4

    oklch(93.7% 0.014 268.5)

  3. Step 200

    200

    #D1D9EB

    oklch(88.5% 0.026 266.6)

  4. Step 300

    300

    #B3C0E1

    oklch(80.9% 0.049 268.3)

  5. Step 400

    400

    #8C9FD1

    oklch(70.6% 0.077 268.3)

  6. Step 500

    500

    #7087C5

    oklch(63.1% 0.098 268)

  7. Step 600

    600

    #5970B2

    oklch(55.7% 0.106 268.3)

  8. Step 700

    700

    #495D99

    oklch(49% 0.1 268.6)

  9. Step 800

    800

    #3C4C7C

    oklch(42.6% 0.083 268.8)

  10. Step 900

    900

    #334064

    oklch(37.7% 0.064 268.1)

  11. Step 950

    950 (this color)

    #131A2E

    oklch(22.2% 0.041 268.3)

Export this scale for Tailwind in the Tailwind colors tool

#131A2E 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)#121C2F0.007
Deuteranopia (no green cones)#101A2E0.005
Tritanopia (no blue cones)#081E210.037
Achromatopsia (no color)#1B1B1B0.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #131A2E

    #131A2E

    oklch(22.2% 0.041 268.3)

  • #231A03

    #231A03

    oklch(22.3% 0.04 88.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #131A2E

    #131A2E

    oklch(22.2% 0.041 268.3)

  • #061D2C

    #061D2C

    oklch(22.1% 0.041 240.4)

  • #1D172B

    #1D172B

    oklch(22.2% 0.039 296.9)

Open the analogous palette in the generator

Split complementary

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

  • #131A2E

    #131A2E

    oklch(22.2% 0.041 268.3)

  • #291606

    #291606

    oklch(22.2% 0.041 59.3)

  • #191E06

    #191E06

    oklch(22.3% 0.042 119.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #131A2E

    #131A2E

    oklch(22.2% 0.041 268.3)

  • #2B1310

    #2B1310

    oklch(22.1% 0.04 28.2)

  • #0C2010

    #0C2010

    oklch(22.1% 0.041 148.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #131A2E

    #131A2E

    oklch(22.2% 0.041 268.3)

  • #2A121B

    #2A121B

    oklch(22.1% 0.042 357.2)

  • #231A03

    #231A03

    oklch(22.3% 0.04 88.4)

  • #00211B

    #00211B

    oklch(22.2% 0.041 178.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #131A2E, closest first.

Similar named colors

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

Use #131A2E 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.