#170E15

Closest named color: Almost Black (#070D0D). oklch(17.9% 0.02 334.5), rgb(23, 14, 21).

Aa

White text reads best on this color (18.91:1).

About this color

#170E15 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.039 away. White text reads best on it, at 18.91:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.11:1
White text18.91:1

Values

HEX#170E15
RGBrgb(23, 14, 21)
HSLhsl(313, 24%, 7%)
OKLCHoklch(17.9% 0.02 334.5)

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 #170E15 18.91:1 AAA Lc -107.4 Preferred for body text
Black text on #170E15 1.11:1 Fails Lc 0.0 Not readable
#170E15 text on white 18.91:1 AAA Lc 105.4 Preferred for body text
#170E15 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

    #F7F5F6

    oklch(97.2% 0.002 345.2)

  2. Step 100

    100

    #EDE8EC

    oklch(93.6% 0.008 332.1)

  3. Step 200

    200

    #DFD6DD

    oklch(88.5% 0.014 333.1)

  4. Step 300

    300

    #CBBBC7

    oklch(80.9% 0.024 334.4)

  5. Step 400

    400

    #B098AA

    oklch(70.7% 0.038 334.8)

  6. Step 500

    500

    #9D7F96

    oklch(63.2% 0.049 334.4)

  7. Step 600

    600

    #876880

    oklch(55.6% 0.053 334.4)

  8. Step 700

    700

    #73566C

    oklch(49.1% 0.05 335.1)

  9. Step 800

    800

    #5D4758

    oklch(42.7% 0.04 334.4)

  10. Step 900

    900

    #4D3B49

    oklch(37.7% 0.034 334.2)

  11. Step 950

    950 (this color)

    #170E15

    oklch(17.9% 0.02 334.5)

Export this scale for Tailwind in the Tailwind colors tool

#170E15 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)#0E10150.020
Deuteranopia (no green cones)#1011150.018
Tritanopia (no blue cones)#180E100.011
Achromatopsia (no color)#1111110.020

Harmonies

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

Complementary

The opposite hue (180°).

  • #170E15

    #170E15

    oklch(17.9% 0.02 334.5)

  • #0A140D

    #0A140D

    oklch(17.9% 0.021 153.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #170E15

    #170E15

    oklch(17.9% 0.02 334.5)

  • #130F19

    #130F19

    oklch(17.8% 0.021 302.6)

  • #190E10

    #190E10

    oklch(18% 0.019 7.2)

Open the analogous palette in the generator

Split complementary

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

  • #170E15

    #170E15

    oklch(17.9% 0.02 334.5)

  • #0F1309

    #0F1309

    oklch(17.9% 0.021 126.1)

  • #071412

    #071412

    oklch(17.8% 0.019 183.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #170E15

    #170E15

    oklch(17.9% 0.02 334.5)

  • #141107

    #141107

    oklch(17.8% 0.02 93.8)

  • #061417

    #061417

    oklch(18% 0.021 212.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #170E15

    #170E15

    oklch(17.9% 0.02 334.5)

  • #181008

    #181008

    oklch(18.1% 0.02 66.4)

  • #0A140D

    #0A140D

    oklch(17.9% 0.021 153.4)

  • #0A121A

    #0A121A

    oklch(17.8% 0.021 249.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #170E15, closest first.

Similar named colors

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

Use #170E15 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.