#06151A

Closest named color: Rich Navy (#001219). oklch(18.5% 0.023 221.3), rgb(6, 21, 26).

Aa

White text reads best on this color (18.58:1).

About this color

#06151A is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.018 away. White text reads best on it, at 18.58:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.58:1

Values

HEX#06151A
RGBrgb(6, 21, 26)
HSLhsl(195, 63%, 6%)
OKLCHoklch(18.5% 0.023 221.3)

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 #06151A 18.58:1 AAA Lc -107.2 Preferred for body text
Black text on #06151A 1.12:1 Fails Lc 0.0 Not readable
#06151A text on white 18.58:1 AAA Lc 105.1 Preferred for body text
#06151A text on black 1.12:1 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

    #F3F6F7

    oklch(97.1% 0.003 219.5)

  2. Step 100

    100

    #E4EBEE

    oklch(93.6% 0.009 225.1)

  3. Step 200

    200

    #CFDCE0

    oklch(88.6% 0.015 218.1)

  4. Step 300

    300

    #AEC5CD

    oklch(80.9% 0.027 220.7)

  5. Step 400

    400

    #82A7B4

    oklch(70.6% 0.045 221.4)

  6. Step 500

    500

    #6292A2

    oklch(63.2% 0.057 220.8)

  7. Step 600

    600

    #487C8D

    oklch(55.7% 0.061 221)

  8. Step 700

    700

    #396878

    oklch(49% 0.057 222.2)

  9. Step 800

    800

    #2F5561

    oklch(42.6% 0.048 220.4)

  10. Step 900

    900

    #2B4650

    oklch(37.7% 0.037 223.4)

  11. Step 950

    950 (this color)

    #06151A

    oklch(18.5% 0.023 221.3)

Export this scale for Tailwind in the Tailwind colors tool

#06151A 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)#12141A0.019
Deuteranopia (no green cones)#0F121A0.017
Tritanopia (no blue cones)#0017170.015
Achromatopsia (no color)#1313130.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #06151A

    #06151A

    oklch(18.5% 0.023 221.3)

  • #1C0F0A

    #1C0F0A

    oklch(18.5% 0.024 41.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #06151A

    #06151A

    oklch(18.5% 0.023 221.3)

  • #051615

    #051615

    oklch(18.5% 0.024 190.4)

  • #0B131D

    #0B131D

    oklch(18.4% 0.024 254.4)

Open the analogous palette in the generator

Split complementary

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

  • #06151A

    #06151A

    oklch(18.5% 0.023 221.3)

  • #1C0E10

    #1C0E10

    oklch(18.5% 0.024 10.4)

  • #191107

    #191107

    oklch(18.5% 0.023 72.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #06151A

    #06151A

    oklch(18.5% 0.023 221.3)

  • #1A0E16

    #1A0E16

    oklch(18.4% 0.025 339.8)

  • #151307

    #151307

    oklch(18.5% 0.023 100.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #06151A

    #06151A

    oklch(18.5% 0.023 221.3)

  • #16101A

    #16101A

    oklch(18.6% 0.022 311.5)

  • #1C0F0A

    #1C0F0A

    oklch(18.5% 0.024 41.8)

  • #0F150A

    #0F150A

    oklch(18.6% 0.023 131.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #06151A, closest first.

Similar named colors

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

Use #06151A 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.