#6A1F37

Closest named color: Merlot (#730039). oklch(36.5% 0.108 4.7), rgb(106, 31, 55).

Aa

White text reads best on this color (11.26:1).

About this color

#6A1F37 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.108 and its hue 5°. 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 11.26:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.86:1
White text11.26:1

Values

HEX#6A1F37
RGBrgb(106, 31, 55)
HSLhsl(341, 55%, 27%)
OKLCHoklch(36.5% 0.108 4.7)

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 #6A1F37 11.26:1 AAA Lc -99.1 Preferred for body text
Black text on #6A1F37 1.86:1 Fails Lc 8.7 Not readable
#6A1F37 text on white 11.26:1 AAA Lc 95.2 Preferred for body text
#6A1F37 text on black 1.86:1 Fails Lc -7.4 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F9E4E8

    oklch(93.7% 0.024 4.5)

  3. Step 200

    200

    #F5CDD5

    oklch(88.5% 0.046 4.6)

  4. Step 300

    300

    #EFABBA

    oklch(80.9% 0.082 4.5)

  5. Step 400

    400

    #E37C96

    oklch(70.7% 0.13 4.8)

  6. Step 500

    500

    #D8567C

    oklch(63.2% 0.166 5)

  7. Step 600

    600

    #C33566

    oklch(55.6% 0.181 4.5)

  8. Step 700

    700

    #A82654

    oklch(49.1% 0.168 4.9)

  9. Step 800

    800

    #882245

    oklch(42.6% 0.139 4.7)

  10. Step 900

    900 (this color)

    #6A1F37

    oklch(36.5% 0.108 4.7)

  11. Step 950

    950

    #411522

    oklch(27% 0.07 4.6)

Export this scale for Tailwind in the Tailwind colors tool

#6A1F37 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)#2F31380.121
Deuteranopia (no green cones)#4340350.110
Tritanopia (no blue cones)#7414290.029
Achromatopsia (no color)#3B3B3B0.109

Harmonies

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

Complementary

The opposite hue (180°).

  • #6A1F37

    #6A1F37

    oklch(36.5% 0.108 4.7)

  • #004943

    #004943

    oklch(36.5% 0.064 185.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6A1F37

    #6A1F37

    oklch(36.5% 0.108 4.7)

  • #5F2455

    #5F2455

    oklch(36.6% 0.108 334.6)

  • #6C2311

    #6C2311

    oklch(36.6% 0.108 34.9)

Open the analogous palette in the generator

Split complementary

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

  • #6A1F37

    #6A1F37

    oklch(36.5% 0.108 4.7)

  • #004C28

    #004C28

    oklch(36.6% 0.091 154.8)

  • #004753

    #004753

    oklch(36.6% 0.064 213.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6A1F37

    #6A1F37

    oklch(36.5% 0.108 4.7)

  • #344600

    #344600

    oklch(36.5% 0.091 124.5)

  • #00426B

    #00426B

    oklch(36.6% 0.091 244.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6A1F37

    #6A1F37

    oklch(36.5% 0.108 4.7)

  • #4B3D00

    #4B3D00

    oklch(36.4% 0.075 94.3)

  • #004943

    #004943

    oklch(36.5% 0.064 185.5)

  • #2F3676

    #2F3676

    oklch(36.4% 0.108 275)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6A1F37, closest first.

Similar named colors

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

Use #6A1F37 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.