#6B213D

Closest named color: Merlot (#730039). oklch(37.1% 0.108 0.6), rgb(107, 33, 61).

Aa

White text reads best on this color (10.99:1).

About this color

#6B213D is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.108 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.039 away. White text reads best on it, at 10.99:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.91:1
White text10.99:1

Values

HEX#6B213D
RGBrgb(107, 33, 61)
HSLhsl(337, 53%, 27%)
OKLCHoklch(37.1% 0.108 0.6)

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 #6B213D 10.99:1 AAA Lc -98.6 Preferred for body text
Black text on #6B213D 1.91:1 Fails Lc 9.2 Not readable
#6B213D text on white 10.99:1 AAA Lc 94.7 Preferred for body text
#6B213D text on black 1.91:1 Fails Lc -7.9 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F8E4E9

    oklch(93.6% 0.023 0.5)

  3. Step 200

    200

    #F4CDD7

    oklch(88.4% 0.046 0.9)

  4. Step 300

    300

    #EEABBE

    oklch(81% 0.082 0.5)

  5. Step 400

    400

    #E27C9C

    oklch(70.8% 0.13 0.9)

  6. Step 500

    500

    #D65684

    oklch(63.1% 0.166 0.7)

  7. Step 600

    600

    #C1366E

    oklch(55.6% 0.18 0.5)

  8. Step 700

    700

    #A6265C

    oklch(49% 0.168 0.3)

  9. Step 800

    800

    #87224B

    oklch(42.7% 0.14 0.5)

  10. Step 900

    900 (this color)

    #6B213D

    oklch(37.1% 0.108 0.6)

  11. Step 950

    950

    #401525

    oklch(26.9% 0.07 359.7)

Export this scale for Tailwind in the Tailwind colors tool

#6B213D 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)#2F333E0.121
Deuteranopia (no green cones)#43413B0.109
Tritanopia (no blue cones)#74192C0.032
Achromatopsia (no color)#3C3C3C0.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #6B213D

    #6B213D

    oklch(37.1% 0.108 0.6)

  • #004B42

    #004B42

    oklch(37% 0.067 181.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6B213D

    #6B213D

    oklch(37.1% 0.108 0.6)

  • #5F265A

    #5F265A

    oklch(37.1% 0.109 331)

  • #6E2319

    #6E2319

    oklch(37% 0.109 30.5)

Open the analogous palette in the generator

Split complementary

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

  • #6B213D

    #6B213D

    oklch(37.1% 0.108 0.6)

  • #004E21

    #004E21

    oklch(37.1% 0.101 150.5)

  • #004953

    #004953

    oklch(37.2% 0.064 210.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6B213D

    #6B213D

    oklch(37.1% 0.108 0.6)

  • #3A4600

    #3A4600

    oklch(37% 0.088 120.1)

  • #004569

    #004569

    oklch(37.3% 0.086 240.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6B213D

    #6B213D

    oklch(37.1% 0.108 0.6)

  • #4F3E00

    #4F3E00

    oklch(37.1% 0.076 91.2)

  • #004B42

    #004B42

    oklch(37% 0.067 181.4)

  • #2B3A79

    #2B3A79

    oklch(37.2% 0.109 270.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B213D, closest first.

Similar named colors

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

Use #6B213D 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.