#690D37

Closest named color: Merlot (#730039). oklch(34.6% 0.128 359.8), rgb(105, 13, 55).

Aa

White text reads best on this color (12.25:1).

About this color

#690D37 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.128 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.022 away. White text reads best on it, at 12.25:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.128)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.71:1
White text12.25:1

Values

HEX#690D37
RGBrgb(105, 13, 55)
HSLhsl(333, 78%, 23%)
OKLCHoklch(34.6% 0.128 359.8)

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 #690D37 12.25:1 AAA Lc -100.2 Preferred for body text
Black text on #690D37 1.71:1 Fails Lc 7.3 Not readable
#690D37 text on white 12.25:1 AAA Lc 96.5 Preferred for body text
#690D37 text on black 1.71:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD8

    oklch(88.5% 0.053 359)

  4. Step 300

    300

    #F4A7BE

    oklch(80.9% 0.095 360)

  5. Step 400

    400

    #EB739D

    oklch(70.7% 0.154 359.7)

  6. Step 500

    500

    #E14785

    oklch(63.1% 0.196 359.8)

  7. Step 600

    600

    #CC1A6F

    oklch(55.6% 0.213 359.7)

  8. Step 700

    700

    #B0025D

    oklch(49.1% 0.198 359.6)

  9. Step 800

    800

    #8F0E4C

    oklch(42.7% 0.164 359.6)

  10. Step 900

    900 (this color)

    #690D37

    oklch(34.6% 0.128 359.8)

  11. Step 950

    950

    #441125

    oklch(27.1% 0.081 360)

Export this scale for Tailwind in the Tailwind colors tool

#690D37 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)#242A380.145
Deuteranopia (no green cones)#3D3B350.129
Tritanopia (no blue cones)#7300210.040
Achromatopsia (no color)#3535350.129

Harmonies

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

Complementary

The opposite hue (180°).

  • #690D37

    #690D37

    oklch(34.6% 0.128 359.8)

  • #00443B

    #00443B

    oklch(34.7% 0.063 180.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #690D37

    #690D37

    oklch(34.6% 0.128 359.8)

  • #5B1758

    #5B1758

    oklch(34.5% 0.128 329.8)

  • #6D0F08

    #6D0F08

    oklch(34.6% 0.128 29.6)

Open the analogous palette in the generator

Split complementary

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

  • #690D37

    #690D37

    oklch(34.6% 0.128 359.8)

  • #00461C

    #00461C

    oklch(34.5% 0.095 150)

  • #00424A

    #00424A

    oklch(34.7% 0.06 208.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #690D37

    #690D37

    oklch(34.6% 0.128 359.8)

  • #353F00

    #353F00

    oklch(34.6% 0.082 119.3)

  • #003E5E

    #003E5E

    oklch(34.7% 0.079 239.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #690D37

    #690D37

    oklch(34.6% 0.128 359.8)

  • #483700

    #483700

    oklch(34.6% 0.071 89.4)

  • #00443B

    #00443B

    oklch(34.7% 0.063 180.3)

  • #21307B

    #21307B

    oklch(34.6% 0.128 269.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #690D37, closest first.

Similar named colors

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

Use #690D37 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.