#190A1F

Closest named color: Rich Navy (#001219). oklch(17.9% 0.046 315.6), rgb(25, 10, 31).

Aa

White text reads best on this color (19.01:1).

About this color

#190A1F is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.046 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.058 away. White text reads best on it, at 19.01:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.046)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.10:1
White text19.01:1

Values

HEX#190A1F
RGBrgb(25, 10, 31)
HSLhsl(283, 51%, 8%)
OKLCHoklch(17.9% 0.046 315.6)

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 #190A1F 19.01:1 AAA Lc -107.4 Preferred for body text
Black text on #190A1F 1.10:1 Fails Lc 0.0 Not readable
#190A1F text on white 19.01:1 AAA Lc 105.3 Preferred for body text
#190A1F 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

    #F7F4F9

    oklch(97.1% 0.007 312.3)

  2. Step 100

    100

    #EEE7F1

    oklch(93.6% 0.015 316)

  3. Step 200

    200

    #E1D3E7

    oklch(88.4% 0.031 315.9)

  4. Step 300

    300

    #CFB6D9

    oklch(80.9% 0.056 316.3)

  5. Step 400

    400

    #B690C6

    oklch(70.7% 0.088 315.7)

  6. Step 500

    500

    #A374B7

    oklch(63.1% 0.111 315.4)

  7. Step 600

    600

    #8E5BA3

    oklch(55.5% 0.121 315.5)

  8. Step 700

    700

    #794A8C

    oklch(49% 0.114 315.6)

  9. Step 800

    800

    #623D72

    oklch(42.6% 0.095 315)

  10. Step 900

    900

    #50355C

    oklch(37.7% 0.073 314.9)

  11. Step 950

    950 (this color)

    #190A1F

    oklch(17.9% 0.046 315.6)

Export this scale for Tailwind in the Tailwind colors tool

#190A1F 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)#060F200.040
Deuteranopia (no green cones)#0A111E0.037
Tritanopia (no blue cones)#190D130.030
Achromatopsia (no color)#1010100.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #190A1F

    #190A1F

    oklch(17.9% 0.046 315.6)

  • #081602

    #081602

    oklch(18.1% 0.046 135.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190A1F

    #190A1F

    oklch(17.9% 0.046 315.6)

  • #100D25

    #100D25

    oklch(17.8% 0.048 286.2)

  • #1F0816

    #1F0816

    oklch(18% 0.046 345.1)

Open the analogous palette in the generator

Split complementary

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

  • #190A1F

    #190A1F

    oklch(17.9% 0.046 315.6)

  • #141200

    #141200

    oklch(17.9% 0.038 104.7)

  • #00160D

    #00160D

    oklch(17.7% 0.037 165.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190A1F

    #190A1F

    oklch(17.9% 0.046 315.6)

  • #1B0F00

    #1B0F00

    oklch(18.1% 0.038 76.6)

  • #001516

    #001516

    oklch(17.8% 0.03 198.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190A1F

    #190A1F

    oklch(17.9% 0.046 315.6)

  • #210901

    #210901

    oklch(17.8% 0.046 45.6)

  • #081602

    #081602

    oklch(18.1% 0.046 135.4)

  • #00141D

    #00141D

    oklch(17.8% 0.035 227.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190A1F, closest first.

Similar named colors

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

Use #190A1F 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.