#6B1547

Closest named color: Velvet (#750851). oklch(36.2% 0.129 350), rgb(107, 21, 71).

Aa

White text reads best on this color (11.51:1).

About this color

#6B1547 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.129 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.029 away. White text reads best on it, at 11.51:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.129)
Temperaturewarm
Nearest nameVelvet (#750851)
Black text1.82:1
White text11.51:1

Values

HEX#6B1547
RGBrgb(107, 21, 71)
HSLhsl(325, 67%, 25%)
OKLCHoklch(36.2% 0.129 350)

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 #6B1547 11.51:1 AAA Lc -99.2 Preferred for body text
Black text on #6B1547 1.82:1 Fails Lc 8.5 Not readable
#6B1547 text on white 11.51:1 AAA Lc 95.4 Preferred for body text
#6B1547 text on black 1.82:1 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 900.

  1. Step 50

    50

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #F9E3EC

    oklch(93.6% 0.027 350.9)

  3. Step 200

    200

    #F6CBDE

    oklch(88.4% 0.054 349.9)

  4. Step 300

    300

    #F1A7C9

    oklch(80.9% 0.097 350.3)

  5. Step 400

    400

    #E674AE

    oklch(70.7% 0.155 350)

  6. Step 500

    500

    #DB499A

    oklch(63.1% 0.198 350)

  7. Step 600

    600

    #C61F84

    oklch(55.6% 0.215 350.2)

  8. Step 700

    700

    #AB0A70

    oklch(49.2% 0.2 350.2)

  9. Step 800

    800

    #8B125B

    oklch(42.8% 0.165 350.4)

  10. Step 900

    900 (this color)

    #6B1547

    oklch(36.2% 0.129 350)

  11. Step 950

    950

    #42112C

    oklch(27% 0.082 350)

Export this scale for Tailwind in the Tailwind colors tool

#6B1547 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)#242F480.144
Deuteranopia (no green cones)#3D3F450.127
Tritanopia (no blue cones)#730F2C0.048
Achromatopsia (no color)#3939390.130

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B1547

    #6B1547

    oklch(36.2% 0.129 350)

  • #004A38

    #004A38

    oklch(36.4% 0.072 169.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B1547

    #6B1547

    oklch(36.2% 0.129 350)

  • #5A1F67

    #5A1F67

    oklch(36.2% 0.13 319.9)

  • #72121F

    #72121F

    oklch(36.1% 0.129 20.1)

Open the analogous palette in the generator

Split complementary

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

  • #6B1547

    #6B1547

    oklch(36.2% 0.129 350)

  • #114B00

    #114B00

    oklch(36.1% 0.117 140.1)

  • #00474A

    #00474A

    oklch(36.2% 0.061 199.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B1547

    #6B1547

    oklch(36.2% 0.129 350)

  • #414100

    #414100

    oklch(36.3% 0.079 109.8)

  • #00445C

    #00445C

    oklch(36.2% 0.072 229.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B1547

    #6B1547

    oklch(36.2% 0.129 350)

  • #523800

    #523800

    oklch(36.1% 0.075 79.6)

  • #004A38

    #004A38

    oklch(36.4% 0.072 169.7)

  • #0D3980

    #0D3980

    oklch(36.2% 0.129 260)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B1547, closest first.

Similar named colors

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

Use #6B1547 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.