#43021F

Closest named color: Dark Plum (#3F012C). oklch(25% 0.098 0.8), rgb(67, 2, 31).

Aa

White text reads best on this color (16.57:1).

About this color

#43021F is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.098 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.029 away. White text reads best on it, at 16.57:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.098)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.26:1
White text16.57:1

Values

HEX#43021F
RGBrgb(67, 2, 31)
HSLhsl(333, 94%, 14%)
OKLCHoklch(25% 0.098 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 #43021F 16.57:1 AAA Lc -105.1 Preferred for body text
Black text on #43021F 1.26:1 Fails Lc 0.0 Not readable
#43021F text on white 16.57:1 AAA Lc 102.5 Preferred for body text
#43021F text on black 1.26:1 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

    #FFF1F5

    oklch(97% 0.016 358)

  2. Step 100

    100

    #FEE1E8

    oklch(93.5% 0.033 1.4)

  3. Step 200

    200

    #FEC8D7

    oklch(88.4% 0.064 0.1)

  4. Step 300

    300

    #FEA0BC

    oklch(80.8% 0.116 0.7)

  5. Step 400

    400

    #F8669A

    oklch(70.7% 0.184 0.8)

  6. Step 500

    500

    #F02781

    oklch(63.1% 0.236 0.9)

  7. Step 600

    600

    #D1006C

    oklch(55.7% 0.225 0.9)

  8. Step 700

    700

    #B1005A

    oklch(49.2% 0.199 1.1)

  9. Step 800

    800

    #92004A

    oklch(42.7% 0.173 0.6)

  10. Step 900

    900

    #7B003D

    oklch(37.7% 0.153 0.8)

  11. Step 950

    950 (this color)

    #43021F

    oklch(25% 0.098 0.8)

Export this scale for Tailwind in the Tailwind colors tool

#43021F 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)#1316200.111
Deuteranopia (no green cones)#24231E0.099
Tritanopia (no blue cones)#4A000F0.032
Achromatopsia (no color)#1F1F1F0.098

Harmonies

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

Complementary

The opposite hue (180°).

  • #43021F

    #43021F

    oklch(25% 0.098 0.8)

  • #002923

    #002923

    oklch(25.2% 0.046 180.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #43021F

    #43021F

    oklch(25% 0.098 0.8)

  • #3A0837

    #3A0837

    oklch(25.1% 0.098 330.7)

  • #460300

    #460300

    oklch(25.1% 0.098 30.7)

Open the analogous palette in the generator

Split complementary

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

  • #43021F

    #43021F

    oklch(25% 0.098 0.8)

  • #002A0F

    #002A0F

    oklch(24.9% 0.067 150.8)

  • #00272D

    #00272D

    oklch(25% 0.043 210.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #43021F

    #43021F

    oklch(25% 0.098 0.8)

  • #1E2600

    #1E2600

    oklch(25.2% 0.06 120.9)

  • #00243B

    #00243B

    oklch(24.9% 0.059 241.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #43021F

    #43021F

    oklch(25% 0.098 0.8)

  • #2B2000

    #2B2000

    oklch(25% 0.051 90)

  • #002923

    #002923

    oklch(25.2% 0.046 180.4)

  • #121A4F

    #121A4F

    oklch(25% 0.097 270.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #43021F, closest first.

Similar named colors

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

Use #43021F 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.