#250305

Closest named color: Very Dark Brown (#1D0200). oklch(17.5% 0.06 21.3), rgb(37, 3, 5).

Aa

White text reads best on this color (19.19:1).

About this color

#250305 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.060 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.028 away. White text reads best on it, at 19.19:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.060)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.19:1

Values

HEX#250305
RGBrgb(37, 3, 5)
HSLhsl(356, 85%, 8%)
OKLCHoklch(17.5% 0.06 21.3)

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 #250305 19.19:1 AAA Lc -107.2 Preferred for body text
Black text on #250305 1.09:1 Fails Lc 0.0 Not readable
#250305 text on white 19.19:1 AAA Lc 105.1 Preferred for body text
#250305 text on black 1.09:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F7E5E4

    oklch(93.6% 0.02 21.4)

  3. Step 200

    200

    #F2D0CE

    oklch(88.6% 0.038 21.9)

  4. Step 300

    300

    #EBAFAD

    oklch(80.9% 0.071 20.9)

  5. Step 400

    400

    #DE8381

    oklch(70.7% 0.113 21.6)

  6. Step 500

    500

    #D36062

    oklch(63.1% 0.146 21.1)

  7. Step 600

    600

    #BE4349

    oklch(55.6% 0.158 21.1)

  8. Step 700

    700

    #A3343A

    oklch(49% 0.146 21.3)

  9. Step 800

    800

    #852C30

    oklch(42.7% 0.122 21.4)

  10. Step 900

    900

    #6B292B

    oklch(37.7% 0.095 21)

  11. Step 950

    950 (this color)

    #250305

    oklch(17.5% 0.06 21.3)

Export this scale for Tailwind in the Tailwind colors tool

#250305 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)#0B0A050.066
Deuteranopia (no green cones)#1412040.062
Tritanopia (no blue cones)#2A00040.014
Achromatopsia (no color)#0F0F0F0.060

Harmonies

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

Complementary

The opposite hue (180°).

  • #250305

    #250305

    oklch(17.5% 0.06 21.3)

  • #001416

    #001416

    oklch(17.4% 0.03 202.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #250305

    #250305

    oklch(17.5% 0.06 21.3)

  • #220313

    #220313

    oklch(17.3% 0.06 351.6)

  • #1F0900

    #1F0900

    oklch(17.3% 0.045 51.1)

Open the analogous palette in the generator

Split complementary

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

  • #250305

    #250305

    oklch(17.5% 0.06 21.3)

  • #00150E

    #00150E

    oklch(17.4% 0.034 170.2)

  • #00131D

    #00131D

    oklch(17.5% 0.035 230.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #250305

    #250305

    oklch(17.5% 0.06 21.3)

  • #011600

    #011600

    oklch(17.4% 0.058 141.4)

  • #030F2A

    #030F2A

    oklch(17.6% 0.059 261.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #250305

    #250305

    oklch(17.5% 0.06 21.3)

  • #111200

    #111200

    oklch(17.5% 0.039 112.2)

  • #001416

    #001416

    oklch(17.4% 0.03 202.8)

  • #120928

    #120928

    oklch(17.5% 0.061 292.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #250305, closest first.

Similar named colors

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

Use #250305 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.