#011319

Closest named color: Rich Navy (#001219). oklch(17.3% 0.03 219.9), rgb(1, 19, 25).

Aa

White text reads best on this color (18.94:1).

About this color

#011319 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.005 away. White text reads best on it, at 18.94:1.

Hue familyNeutrals
Lightnessvery dark (17%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.10:1
White text18.94:1

Values

HEX#011319
RGBrgb(1, 19, 25)
HSLhsl(195, 92%, 5%)
OKLCHoklch(17.3% 0.03 219.9)

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 #011319 18.94:1 AAA Lc -107.3 Preferred for body text
Black text on #011319 1.10:1 Fails Lc 0.0 Not readable
#011319 text on white 18.94:1 AAA Lc 105.3 Preferred for body text
#011319 text on black 1.10:1 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

    #F2F6F8

    oklch(97.1% 0.005 228.8)

  2. Step 100

    100

    #E3ECEE

    oklch(93.7% 0.01 212.5)

  3. Step 200

    200

    #CCDCE2

    oklch(88.4% 0.019 222.2)

  4. Step 300

    300

    #A9C6D0

    oklch(80.8% 0.034 220.6)

  5. Step 400

    400

    #79A9B9

    oklch(70.6% 0.056 220.6)

  6. Step 500

    500

    #5494A7

    oklch(63.1% 0.072 219.1)

  7. Step 600

    600

    #367E93

    oklch(55.6% 0.078 220)

  8. Step 700

    700

    #286A7D

    oklch(49.1% 0.072 220.2)

  9. Step 800

    800

    #235766

    oklch(42.8% 0.06 219.8)

  10. Step 900

    900

    #224753

    oklch(37.6% 0.047 221.5)

  11. Step 950

    950 (this color)

    #011319

    oklch(17.3% 0.03 219.9)

Export this scale for Tailwind in the Tailwind colors tool

#011319 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)#0F12190.024
Deuteranopia (no green cones)#0B0F190.022
Tritanopia (no blue cones)#0015150.014
Achromatopsia (no color)#1111110.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #011319

    #011319

    oklch(17.3% 0.03 219.9)

  • #1B0B06

    #1B0B06

    oklch(17.2% 0.03 39.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #011319

    #011319

    oklch(17.3% 0.03 219.9)

  • #001413

    #001413

    oklch(17.3% 0.03 190.8)

  • #06111D

    #06111D

    oklch(17.4% 0.03 250.7)

Open the analogous palette in the generator

Split complementary

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

  • #011319

    #011319

    oklch(17.3% 0.03 219.9)

  • #1B0A0D

    #1B0A0D

    oklch(17.2% 0.03 9.4)

  • #180E03

    #180E03

    oklch(17.4% 0.029 71.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #011319

    #011319

    oklch(17.3% 0.03 219.9)

  • #190B14

    #190B14

    oklch(17.4% 0.029 341.6)

  • #131002

    #131002

    oklch(17.2% 0.03 99.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #011319

    #011319

    oklch(17.3% 0.03 219.9)

  • #140C1A

    #140C1A

    oklch(17.3% 0.031 309.7)

  • #1B0B06

    #1B0B06

    oklch(17.2% 0.03 39.9)

  • #0C1305

    #0C1305

    oklch(17.5% 0.03 129.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #011319, closest first.

Similar named colors

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

Use #011319 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.