#130309

Closest named color: Very Dark Brown (#1D0200). oklch(13.5% 0.036 354.6), rgb(19, 3, 9).

Aa

White text reads best on this color (20.10:1).

About this color

#130309 is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.036 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.038 away. White text reads best on it, at 20.10:1.

Hue familyReds
Lightnessvery dark (14%)
Chromamuted (0.036)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.04:1
White text20.10:1

Values

HEX#130309
RGBrgb(19, 3, 9)
HSLhsl(338, 73%, 4%)
OKLCHoklch(13.5% 0.036 354.6)

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 #130309 20.10:1 AAA Lc -107.7 Preferred for body text
Black text on #130309 1.04:1 Fails Lc 0.0 Not readable
#130309 text on white 20.10:1 AAA Lc 105.8 Preferred for body text
#130309 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

    #F9F4F6

    oklch(97.2% 0.006 350.8)

  2. Step 100

    100

    #F1E7EA

    oklch(93.7% 0.012 357)

  3. Step 200

    200

    #E7D3DA

    oklch(88.5% 0.024 354.3)

  4. Step 300

    300

    #D8B6C2

    oklch(80.9% 0.042 354.8)

  5. Step 400

    400

    #C48FA3

    oklch(70.7% 0.069 354.6)

  6. Step 500

    500

    #B4738C

    oklch(63.2% 0.088 355.2)

  7. Step 600

    600

    #9F5A76

    oklch(55.5% 0.097 354.9)

  8. Step 700

    700

    #884A64

    oklch(49.2% 0.09 354.3)

  9. Step 800

    800

    #6E3D51

    oklch(42.6% 0.073 354.7)

  10. Step 900

    900

    #5A3443

    oklch(37.7% 0.058 355.1)

  11. Step 950

    950 (this color)

    #130309

    oklch(13.5% 0.036 354.6)

Export this scale for Tailwind in the Tailwind colors tool

#130309 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)#0506090.039
Deuteranopia (no green cones)#0808090.036
Tritanopia (no blue cones)#1502050.011
Achromatopsia (no color)#0707070.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #130309

    #130309

    oklch(13.5% 0.036 354.6)

  • #000B08

    #000B08

    oklch(13.4% 0.025 178.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #130309

    #130309

    oklch(13.5% 0.036 354.6)

  • #0F0410

    #0F0410

    oklch(13.6% 0.035 324.5)

  • #140303

    #140303

    oklch(13.4% 0.036 23.3)

Open the analogous palette in the generator

Split complementary

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

  • #130309

    #130309

    oklch(13.5% 0.036 354.6)

  • #010C02

    #010C02

    oklch(13.6% 0.036 146.3)

  • #000B0D

    #000B0D

    oklch(13.7% 0.023 205.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #130309

    #130309

    oklch(13.5% 0.036 354.6)

  • #080900

    #080900

    oklch(13.4% 0.03 113.5)

  • #000A12

    #000A12

    oklch(13.6% 0.028 233.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #130309

    #130309

    oklch(13.5% 0.036 354.6)

  • #0D0700

    #0D0700

    oklch(13.4% 0.027 84.6)

  • #000B08

    #000B08

    oklch(13.4% 0.025 178.5)

  • #030717

    #030717

    oklch(13.4% 0.037 266)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #130309, closest first.

Similar named colors

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

Use #130309 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.