#210413

Closest named color: Very Dark Brown (#1D0200). oklch(17.3% 0.056 351.2), rgb(33, 4, 19).

Aa

White text reads best on this color (19.24:1).

About this color

#210413 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.056 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.046 away. White text reads best on it, at 19.24:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.056)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.24:1

Values

HEX#210413
RGBrgb(33, 4, 19)
HSLhsl(329, 78%, 7%)
OKLCHoklch(17.3% 0.056 351.2)

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 #210413 19.24:1 AAA Lc -107.3 Preferred for body text
Black text on #210413 1.09:1 Fails Lc 0.0 Not readable
#210413 text on white 19.24:1 AAA Lc 105.3 Preferred for body text
#210413 text on black 1.09:1 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

    #EED0DC

    oklch(88.6% 0.037 351.8)

  4. Step 300

    300

    #E3AFC6

    oklch(80.8% 0.067 350.4)

  5. Step 400

    400

    #D384A8

    oklch(70.6% 0.107 351.3)

  6. Step 500

    500

    #C66393

    oklch(63.1% 0.137 351.4)

  7. Step 600

    600

    #B1487E

    oklch(55.7% 0.149 351)

  8. Step 700

    700

    #98396A

    oklch(49.2% 0.138 351.3)

  9. Step 800

    800

    #7B3056

    oklch(42.7% 0.113 351.4)

  10. Step 900

    900

    #642B47

    oklch(37.7% 0.089 351.5)

  11. Step 950

    950 (this color)

    #210413

    oklch(17.3% 0.056 351.2)

Export this scale for Tailwind in the Tailwind colors tool

#210413 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)#070B130.064
Deuteranopia (no green cones)#1010120.055
Tritanopia (no blue cones)#24030A0.019
Achromatopsia (no color)#0E0E0E0.057

Harmonies

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

Complementary

The opposite hue (180°).

  • #210413

    #210413

    oklch(17.3% 0.056 351.2)

  • #00150E

    #00150E

    oklch(17.4% 0.034 170.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210413

    #210413

    oklch(17.3% 0.056 351.2)

  • #1B061F

    #1B061F

    oklch(17.4% 0.057 321.1)

  • #240405

    #240405

    oklch(17.5% 0.056 22.8)

Open the analogous palette in the generator

Split complementary

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

  • #210413

    #210413

    oklch(17.3% 0.056 351.2)

  • #011600

    #011600

    oklch(17.4% 0.058 141.4)

  • #001415

    #001415

    oklch(17.4% 0.03 198.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210413

    #210413

    oklch(17.3% 0.056 351.2)

  • #111100

    #111100

    oklch(17.2% 0.037 109.8)

  • #00131D

    #00131D

    oklch(17.5% 0.035 230.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210413

    #210413

    oklch(17.3% 0.056 351.2)

  • #180E00

    #180E00

    oklch(17.3% 0.036 80.7)

  • #00150E

    #00150E

    oklch(17.4% 0.034 170.2)

  • #030F28

    #030F28

    oklch(17.4% 0.055 260.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210413, closest first.

Similar named colors

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

Use #210413 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.