#13101D

Closest named color: Rich Navy (#001219). oklch(18.4% 0.027 294.2), rgb(19, 16, 29).

Aa

White text reads best on this color (18.75:1).

About this color

#13101D is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.037 away. White text reads best on it, at 18.75:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.027)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.11:1
White text18.75:1

Values

HEX#13101D
RGBrgb(19, 16, 29)
HSLhsl(254, 29%, 9%)
OKLCHoklch(18.4% 0.027 294.2)

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 #13101D 18.75:1 AAA Lc -107.3 Preferred for body text
Black text on #13101D 1.11:1 Fails Lc 0.0 Not readable
#13101D text on white 18.75:1 AAA Lc 105.3 Preferred for body text
#13101D text on black 1.11:1 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

    #F5F5F8

    oklch(97.1% 0.004 286.3)

  2. Step 100

    100

    #EAE9EF

    oklch(93.7% 0.008 293.9)

  3. Step 200

    200

    #D9D7E4

    oklch(88.5% 0.018 293.1)

  4. Step 300

    300

    #C1BDD3

    oklch(80.8% 0.031 294)

  5. Step 400

    400

    #A29BBD

    oklch(70.7% 0.05 294.5)

  6. Step 500

    500

    #8B82AD

    oklch(63% 0.065 294.1)

  7. Step 600

    600

    #756B98

    oklch(55.5% 0.07 294.2)

  8. Step 700

    700

    #635982

    oklch(49% 0.066 295.1)

  9. Step 800

    800

    #50496A

    oklch(42.6% 0.055 293.7)

  10. Step 900

    900

    #433D56

    oklch(37.7% 0.043 295.3)

  11. Step 950

    950 (this color)

    #13101D

    oklch(18.4% 0.027 294.2)

Export this scale for Tailwind in the Tailwind colors tool

#13101D 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)#0D121E0.013
Deuteranopia (no green cones)#0D121D0.013
Tritanopia (no blue cones)#1112150.021
Achromatopsia (no color)#1212120.027

Harmonies

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

Complementary

The opposite hue (180°).

  • #13101D

    #13101D

    oklch(18.4% 0.027 294.2)

  • #121406

    #121406

    oklch(18.4% 0.027 115.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #13101D

    #13101D

    oklch(18.4% 0.027 294.2)

  • #0C121E

    #0C121E

    oklch(18.3% 0.027 263.6)

  • #180E19

    #180E19

    oklch(18.3% 0.027 323.5)

Open the analogous palette in the generator

Split complementary

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

  • #13101D

    #13101D

    oklch(18.4% 0.027 294.2)

  • #181105

    #181105

    oklch(18.3% 0.026 81.5)

  • #0B150B

    #0B150B

    oklch(18.2% 0.025 144.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #13101D

    #13101D

    oklch(18.4% 0.027 294.2)

  • #1C0F07

    #1C0F07

    oklch(18.4% 0.027 52.9)

  • #051611

    #051611

    oklch(18.3% 0.026 172.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #13101D

    #13101D

    oklch(18.4% 0.027 294.2)

  • #1D0E0D

    #1D0E0D

    oklch(18.5% 0.026 24)

  • #121406

    #121406

    oklch(18.4% 0.027 115.5)

  • #031618

    #031618

    oklch(18.5% 0.027 203.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #13101D, closest first.

Similar named colors

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

Use #13101D 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.