#170A0D

Closest named color: Almost Black (#070D0D). oklch(16.5% 0.023 5), rgb(23, 10, 13).

Aa

White text reads best on this color (19.34:1).

About this color

#170A0D is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.34:1.

Hue familyNeutrals
Lightnessvery dark (17%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.08:1
White text19.34:1

Values

HEX#170A0D
RGBrgb(23, 10, 13)
HSLhsl(346, 39%, 6%)
OKLCHoklch(16.5% 0.023 5)

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 #170A0D 19.34:1 AAA Lc -107.5 Preferred for body text
Black text on #170A0D 1.08:1 Fails Lc 0.0 Not readable
#170A0D text on white 19.34:1 AAA Lc 105.6 Preferred for body text
#170A0D text on black 1.08:1 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

    #F8F4F5

    oklch(97.1% 0.004 360)

  2. Step 100

    100

    #EFE8E9

    oklch(93.7% 0.008 7.3)

  3. Step 200

    200

    #E3D5D8

    oklch(88.5% 0.016 2.7)

  4. Step 300

    300

    #D1BABE

    oklch(81% 0.027 5.8)

  5. Step 400

    400

    #BA969D

    oklch(70.8% 0.044 5.2)

  6. Step 500

    500

    #A87B85

    oklch(63% 0.058 4.1)

  7. Step 600

    600

    #93646E

    oklch(55.6% 0.062 5.3)

  8. Step 700

    700

    #7D535C

    oklch(49.1% 0.057 5.3)

  9. Step 800

    800

    #66444B

    oklch(42.7% 0.048 5.8)

  10. Step 900

    900

    #53393F

    oklch(37.6% 0.038 3.8)

  11. Step 950

    950 (this color)

    #170A0D

    oklch(16.5% 0.023 5)

Export this scale for Tailwind in the Tailwind colors tool

#170A0D 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)#0C0C0D0.025
Deuteranopia (no green cones)#0F0F0D0.025
Tritanopia (no blue cones)#19090B0.006
Achromatopsia (no color)#0E0E0E0.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #170A0D

    #170A0D

    oklch(16.5% 0.023 5)

  • #031210

    #031210

    oklch(16.7% 0.023 184.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #170A0D

    #170A0D

    oklch(16.5% 0.023 5)

  • #150A12

    #150A12

    oklch(16.4% 0.024 337.2)

  • #170B08

    #170B08

    oklch(16.6% 0.022 35.3)

Open the analogous palette in the generator

Split complementary

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

  • #170A0D

    #170A0D

    oklch(16.5% 0.023 5)

  • #06110A

    #06110A

    oklch(16.4% 0.023 156.4)

  • #031115

    #031115

    oklch(16.6% 0.023 216.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #170A0D

    #170A0D

    oklch(16.5% 0.023 5)

  • #0C1005

    #0C1005

    oklch(16.5% 0.024 124.1)

  • #060F18

    #060F18

    oklch(16.4% 0.024 247.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #170A0D

    #170A0D

    oklch(16.5% 0.023 5)

  • #120E04

    #120E04

    oklch(16.5% 0.022 90.9)

  • #031210

    #031210

    oklch(16.7% 0.023 184.9)

  • #0B0E19

    #0B0E19

    oklch(16.7% 0.024 271.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #170A0D, closest first.

Similar named colors

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

Use #170A0D 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.