#421F30

Closest named color: Space Cadet (#2B2D42). oklch(29.4% 0.059 350.9), rgb(66, 31, 48).

Aa

White text reads best on this color (14.28:1).

About this color

#421F30 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.059 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.060 away. White text reads best on it, at 14.28:1.

Hue familyReds
Lightnessdark (29%)
Chromamuted (0.059)
Temperaturewarm
Nearest nameSpace Cadet (#2B2D42)
Black text1.47:1
White text14.28:1

Values

HEX#421F30
RGBrgb(66, 31, 48)
HSLhsl(331, 36%, 19%)
OKLCHoklch(29.4% 0.059 350.9)

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 #421F30 14.28:1 AAA Lc -103.8 Preferred for body text
Black text on #421F30 1.47:1 Fails Lc 0.0 Not readable
#421F30 text on white 14.28:1 AAA Lc 100.8 Preferred for body text
#421F30 text on black 1.47:1 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 950.

  1. Step 50

    50

    #FBF3F6

    oklch(97.1% 0.009 352.4)

  2. Step 100

    100

    #F5E5EB

    oklch(93.6% 0.019 352.7)

  3. Step 200

    200

    #EECFDC

    oklch(88.4% 0.039 350.7)

  4. Step 300

    300

    #E5AFC6

    oklch(81% 0.069 351.4)

  5. Step 400

    400

    #D583A9

    oklch(70.7% 0.111 351)

  6. Step 500

    500

    #C86194

    oklch(63.1% 0.143 351)

  7. Step 600

    600

    #B3457F

    oklch(55.6% 0.156 350.6)

  8. Step 700

    700

    #9A366B

    oklch(49.2% 0.145 350.9)

  9. Step 800

    800

    #7D2E57

    oklch(42.8% 0.119 351.1)

  10. Step 900

    900

    #652A48

    oklch(37.8% 0.093 350.7)

  11. Step 950

    950 (this color)

    #421F30

    oklch(29.4% 0.059 350.9)

Export this scale for Tailwind in the Tailwind colors tool

#421F30 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)#2327310.063
Deuteranopia (no green cones)#2C2D2F0.059
Tritanopia (no blue cones)#461E250.021
Achromatopsia (no color)#2A2A2A0.060

Harmonies

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

Complementary

The opposite hue (180°).

  • #421F30

    #421F30

    oklch(29.4% 0.059 350.9)

  • #003528

    #003528

    oklch(29.3% 0.057 170.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #421F30

    #421F30

    oklch(29.4% 0.059 350.9)

  • #3A223E

    #3A223E

    oklch(29.5% 0.059 321.7)

  • #451F1F

    #451F1F

    oklch(29.3% 0.059 21.3)

Open the analogous palette in the generator

Split complementary

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

  • #421F30

    #421F30

    oklch(29.4% 0.059 350.9)

  • #1B3316

    #1B3316

    oklch(29.3% 0.058 140.2)

  • #003437

    #003437

    oklch(29.6% 0.05 201)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #421F30

    #421F30

    oklch(29.4% 0.059 350.9)

  • #2E2F05

    #2E2F05

    oklch(29.5% 0.06 110.9)

  • #003144

    #003144

    oklch(29.4% 0.059 230.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #421F30

    #421F30

    oklch(29.4% 0.059 350.9)

  • #3B2902

    #3B2902

    oklch(29.5% 0.059 81.9)

  • #003528

    #003528

    oklch(29.3% 0.057 170.8)

  • #1B2C4A

    #1B2C4A

    oklch(29.5% 0.059 261.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #421F30, closest first.

Similar named colors

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

Use #421F30 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.