#551829

Closest named color: Burgundy (#610023). oklch(31.3% 0.091 7.1), rgb(85, 24, 41).

Aa

White text reads best on this color (13.55:1).

About this color

#551829 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.035 away. White text reads best on it, at 13.55:1.

Hue familyReds
Lightnessdark (31%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameBurgundy (#610023)
Black text1.54:1
White text13.55:1

Values

HEX#551829
RGBrgb(85, 24, 41)
HSLhsl(343, 56%, 21%)
OKLCHoklch(31.3% 0.091 7.1)

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 #551829 13.55:1 AAA Lc -102.7 Preferred for body text
Black text on #551829 1.54:1 Fails Lc 0.0 Not readable
#551829 text on white 13.55:1 AAA Lc 99.4 Preferred for body text
#551829 text on black 1.54:1 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

    #FFF2F4

    oklch(97.2% 0.014 6.7)

  2. Step 100

    100

    #FEE2E6

    oklch(93.7% 0.031 7.9)

  3. Step 200

    200

    #FDC9D2

    oklch(88.4% 0.06 6.8)

  4. Step 300

    300

    #FDA3B4

    oklch(80.9% 0.108 7.5)

  5. Step 400

    400

    #F66B8E

    oklch(70.7% 0.173 6.9)

  6. Step 500

    500

    #EE3572

    oklch(63.2% 0.221 7.2)

  7. Step 600

    600

    #D3005C

    oklch(55.6% 0.223 7.2)

  8. Step 700

    700

    #B3004D

    oklch(49.2% 0.197 7.2)

  9. Step 800

    800

    #94003E

    oklch(42.7% 0.171 7.4)

  10. Step 900

    900

    #7A0934

    oklch(37.7% 0.144 7.1)

  11. Step 950

    950 (this color)

    #551829

    oklch(31.3% 0.091 7.1)

Export this scale for Tailwind in the Tailwind colors tool

#551829 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)#2526290.102
Deuteranopia (no green cones)#3533280.094
Tritanopia (no blue cones)#5D0F1F0.023
Achromatopsia (no color)#2E2E2E0.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #551829

    #551829

    oklch(31.3% 0.091 7.1)

  • #003A36

    #003A36

    oklch(31.4% 0.055 187.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #551829

    #551829

    oklch(31.3% 0.091 7.1)

  • #4D1B42

    #4D1B42

    oklch(31.4% 0.092 337)

  • #561B09

    #561B09

    oklch(31.3% 0.092 36.8)

Open the analogous palette in the generator

Split complementary

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

  • #551829

    #551829

    oklch(31.3% 0.091 7.1)

  • #003C21

    #003C21

    oklch(31.3% 0.075 156.8)

  • #003844

    #003844

    oklch(31.4% 0.056 217.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #551829

    #551829

    oklch(31.3% 0.091 7.1)

  • #263800

    #263800

    oklch(31.3% 0.081 126.9)

  • #003358

    #003358

    oklch(31.3% 0.083 247.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #551829

    #551829

    oklch(31.3% 0.091 7.1)

  • #3A3100

    #3A3100

    oklch(31.3% 0.065 98)

  • #003A36

    #003A36

    oklch(31.4% 0.055 187.3)

  • #272A5E

    #272A5E

    oklch(31.3% 0.091 277.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #551829, closest first.

Similar named colors

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

Use #551829 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.