#691F3B

Closest named color: Merlot (#730039). oklch(36.4% 0.109 0.8), rgb(105, 31, 59).

Aa

White text reads best on this color (11.29:1).

About this color

#691F3B is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.29:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.109)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.85:1
White text11.29:1

Values

HEX#691F3B
RGBrgb(105, 31, 59)
HSLhsl(337, 54%, 27%)
OKLCHoklch(36.4% 0.109 0.8)

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 #691F3B 11.29:1 AAA Lc -99.1 Preferred for body text
Black text on #691F3B 1.85:1 Fails Lc 8.6 Not readable
#691F3B text on white 11.29:1 AAA Lc 95.3 Preferred for body text
#691F3B text on black 1.85:1 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

    #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

    #EEABBD

    oklch(80.9% 0.082 1.4)

  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

    #C1366D

    oklch(55.6% 0.18 1)

  8. Step 700

    700

    #A6265B

    oklch(49% 0.168 0.8)

  9. Step 800

    800

    #87224B

    oklch(42.7% 0.14 0.5)

  10. Step 900

    900 (this color)

    #691F3B

    oklch(36.4% 0.109 0.8)

  11. Step 950

    950

    #401524

    oklch(26.9% 0.069 1.1)

Export this scale for Tailwind in the Tailwind colors tool

#691F3B 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)#2E313C0.120
Deuteranopia (no green cones)#4240390.110
Tritanopia (no blue cones)#72162A0.032
Achromatopsia (no color)#3A3A3A0.110

Harmonies

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

Complementary

The opposite hue (180°).

  • #691F3B

    #691F3B

    oklch(36.4% 0.109 0.8)

  • #004940

    #004940

    oklch(36.4% 0.065 181.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #691F3B

    #691F3B

    oklch(36.4% 0.109 0.8)

  • #5D2458

    #5D2458

    oklch(36.4% 0.109 331.1)

  • #6C2117

    #6C2117

    oklch(36.4% 0.109 30.6)

Open the analogous palette in the generator

Split complementary

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

  • #691F3B

    #691F3B

    oklch(36.4% 0.109 0.8)

  • #004C21

    #004C21

    oklch(36.4% 0.098 150.9)

  • #004751

    #004751

    oklch(36.5% 0.063 210.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #691F3B

    #691F3B

    oklch(36.4% 0.109 0.8)

  • #384500

    #384500

    oklch(36.6% 0.088 121)

  • #004366

    #004366

    oklch(36.5% 0.084 240.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #691F3B

    #691F3B

    oklch(36.4% 0.109 0.8)

  • #4D3C00

    #4D3C00

    oklch(36.4% 0.074 90.7)

  • #004940

    #004940

    oklch(36.4% 0.065 181.1)

  • #2A3877

    #2A3877

    oklch(36.6% 0.109 270.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #691F3B, closest first.

Similar named colors

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

Use #691F3B 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.