#190103

Closest named color: Very Dark Brown (#1D0200). oklch(13.9% 0.05 18), rgb(25, 1, 3).

Aa

White text reads best on this color (20.05:1).

About this color

#190103 is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.050 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.019 away. White text reads best on it, at 20.05:1.

Hue familyReds
Lightnessvery dark (14%)
Chromamuted (0.050)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.04:1
White text20.05:1

Values

HEX#190103
RGBrgb(25, 1, 3)
HSLhsl(355, 92%, 5%)
OKLCHoklch(13.9% 0.05 18)

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 #190103 20.05:1 AAA Lc -107.6 Preferred for body text
Black text on #190103 1.04:1 Fails Lc 0.0 Not readable
#190103 text on white 20.05:1 AAA Lc 105.7 Preferred for body text
#190103 text on black 1.04:1 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F5E6E5

    oklch(93.7% 0.016 22.1)

  3. Step 200

    200

    #EED1D1

    oklch(88.5% 0.033 17.8)

  4. Step 300

    300

    #E5B2B2

    oklch(81% 0.06 18.5)

  5. Step 400

    400

    #D5888A

    oklch(70.7% 0.095 18)

  6. Step 500

    500

    #C8686D

    oklch(63% 0.122 17.9)

  7. Step 600

    600

    #B34E55

    oklch(55.5% 0.132 18.2)

  8. Step 700

    700

    #9A3E46

    oklch(49.1% 0.123 17.6)

  9. Step 800

    800

    #7D3439

    oklch(42.7% 0.102 18.3)

  10. Step 900

    900

    #652E31

    oklch(37.7% 0.079 18.3)

  11. Step 950

    950 (this color)

    #190103

    oklch(13.9% 0.05 18)

Export this scale for Tailwind in the Tailwind colors tool

#190103 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)#0505030.057
Deuteranopia (no green cones)#0C0A030.051
Tritanopia (no blue cones)#1D00020.011
Achromatopsia (no color)#0808080.051

Harmonies

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

Complementary

The opposite hue (180°).

  • #190103

    #190103

    oklch(13.9% 0.05 18)

  • #000C0C

    #000C0C

    oklch(14% 0.024 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #190103

    #190103

    oklch(13.9% 0.05 18)

  • #16010C

    #16010C

    oklch(13.7% 0.051 347.9)

  • #150400

    #150400

    oklch(13.9% 0.039 46.8)

Open the analogous palette in the generator

Split complementary

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

  • #190103

    #190103

    oklch(13.9% 0.05 18)

  • #000D07

    #000D07

    oklch(14.1% 0.029 166.9)

  • #000B12

    #000B12

    oklch(14% 0.027 228.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #190103

    #190103

    oklch(13.9% 0.05 18)

  • #020D00

    #020D00

    oklch(14.1% 0.043 137.9)

  • #00081D

    #00081D

    oklch(14% 0.05 257.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #190103

    #190103

    oklch(13.9% 0.05 18)

  • #0A0A00

    #0A0A00

    oklch(14% 0.031 109.8)

  • #000C0C

    #000C0C

    oklch(14% 0.024 194.8)

  • #09051C

    #09051C

    oklch(14.1% 0.049 287.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #190103, closest first.

Similar named colors

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

Use #190103 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.