#662443

Closest named color: Merlot (#730039). oklch(36.9% 0.101 354), rgb(102, 36, 67).

Aa

White text reads best on this color (11.06:1).

About this color

#662443 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.101 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.047 away. White text reads best on it, at 11.06:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.101)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.89:1
White text11.06:1

Values

HEX#662443
RGBrgb(102, 36, 67)
HSLhsl(332, 48%, 27%)
OKLCHoklch(36.9% 0.101 354)

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 #662443 11.06:1 AAA Lc -98.9 Preferred for body text
Black text on #662443 1.89:1 Fails Lc 8.9 Not readable
#662443 text on white 11.06:1 AAA Lc 95.0 Preferred for body text
#662443 text on black 1.89:1 Fails Lc -7.6 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

    #FBF3F6

    oklch(97.1% 0.009 352.4)

  2. Step 100

    100

    #F7E4EB

    oklch(93.6% 0.023 353.2)

  3. Step 200

    200

    #F1CEDB

    oklch(88.5% 0.043 353.6)

  4. Step 300

    300

    #E9ADC4

    oklch(81% 0.076 354.1)

  5. Step 400

    400

    #DB7FA6

    oklch(70.7% 0.122 353.8)

  6. Step 500

    500

    #CE5C90

    oklch(63.1% 0.154 353.9)

  7. Step 600

    600

    #B93E7A

    oklch(55.5% 0.168 353.9)

  8. Step 700

    700

    #9F2F67

    oklch(49.1% 0.157 353.7)

  9. Step 800

    800

    #822854

    oklch(42.7% 0.131 354)

  10. Step 900

    900 (this color)

    #662443

    oklch(36.9% 0.101 354)

  11. Step 950

    950

    #3E1729

    oklch(27.1% 0.066 353.5)

Export this scale for Tailwind in the Tailwind colors tool

#662443 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)#2E34440.112
Deuteranopia (no green cones)#4040410.101
Tritanopia (no blue cones)#6E20300.035
Achromatopsia (no color)#3C3C3C0.102

Harmonies

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

Complementary

The opposite hue (180°).

  • #662443

    #662443

    oklch(36.9% 0.101 354)

  • #004B3D

    #004B3D

    oklch(36.8% 0.07 174.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #662443

    #662443

    oklch(36.9% 0.101 354)

  • #592A5D

    #592A5D

    oklch(37% 0.101 324.4)

  • #6B2424

    #6B2424

    oklch(36.8% 0.102 23.5)

Open the analogous palette in the generator

Split complementary

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

  • #662443

    #662443

    oklch(36.9% 0.101 354)

  • #144C18

    #144C18

    oklch(36.8% 0.101 144.2)

  • #00494F

    #00494F

    oklch(37% 0.063 204.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #662443

    #662443

    oklch(36.9% 0.101 354)

  • #3F4400

    #3F4400

    oklch(36.9% 0.083 114.4)

  • #004562

    #004562

    oklch(36.8% 0.078 234.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #662443

    #662443

    oklch(36.9% 0.101 354)

  • #523B00

    #523B00

    oklch(36.8% 0.076 83.9)

  • #004B3D

    #004B3D

    oklch(36.8% 0.07 174.8)

  • #233C74

    #233C74

    oklch(36.8% 0.101 264)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #662443, closest first.

Similar named colors

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

Use #662443 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.