#210D2F

Closest named color: Midnight Purple (#280137). oklch(20.9% 0.067 308.8), rgb(33, 13, 47).

Aa

White text reads best on this color (18.05:1).

About this color

#210D2F is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.067 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.034 away. White text reads best on it, at 18.05:1.

Hue familyPurples
Lightnessvery dark (21%)
Chromamuted (0.067)
Temperaturein between
Nearest nameMidnight Purple (#280137)
Black text1.16:1
White text18.05:1

Values

HEX#210D2F
RGBrgb(33, 13, 47)
HSLhsl(275, 57%, 12%)
OKLCHoklch(20.9% 0.067 308.8)

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 #210D2F 18.05:1 AAA Lc -106.8 Preferred for body text
Black text on #210D2F 1.16:1 Fails Lc 0.0 Not readable
#210D2F text on white 18.05:1 AAA Lc 104.6 Preferred for body text
#210D2F text on black 1.16:1 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

    #F7F4FB

    oklch(97.1% 0.01 305.4)

  2. Step 100

    100

    #EEE6F6

    oklch(93.6% 0.023 308.2)

  3. Step 200

    200

    #E2D2F0

    oklch(88.6% 0.044 309.3)

  4. Step 300

    300

    #D0B3E8

    oklch(80.9% 0.08 309.4)

  5. Step 400

    400

    #B889DD

    oklch(70.7% 0.129 309.1)

  6. Step 500

    500

    #A66AD3

    oklch(63.2% 0.162 308.9)

  7. Step 600

    600

    #914EC0

    oklch(55.5% 0.177 308.9)

  8. Step 700

    700

    #7C3EA6

    oklch(49.1% 0.165 309)

  9. Step 800

    800

    #653486

    oklch(42.7% 0.136 309.4)

  10. Step 900

    900

    #522F6C

    oklch(37.8% 0.106 308.7)

  11. Step 950

    950 (this color)

    #210D2F

    oklch(20.9% 0.067 308.8)

Export this scale for Tailwind in the Tailwind colors tool

#210D2F 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)#0215300.058
Deuteranopia (no green cones)#08172E0.052
Tritanopia (no blue cones)#1F131C0.046
Achromatopsia (no color)#1616160.068

Harmonies

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

Complementary

The opposite hue (180°).

  • #210D2F

    #210D2F

    oklch(20.9% 0.067 308.8)

  • #101D00

    #101D00

    oklch(21.1% 0.056 129.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210D2F

    #210D2F

    oklch(20.9% 0.067 308.8)

  • #131336

    #131336

    oklch(21.1% 0.067 279)

  • #2B0822

    #2B0822

    oklch(20.9% 0.068 339.5)

Open the analogous palette in the generator

Split complementary

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

  • #210D2F

    #210D2F

    oklch(20.9% 0.067 308.8)

  • #1D1800

    #1D1800

    oklch(20.9% 0.043 99)

  • #001F10

    #001F10

    oklch(21.1% 0.049 158.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210D2F

    #210D2F

    oklch(20.9% 0.067 308.8)

  • #251400

    #251400

    oklch(21% 0.045 70.9)

  • #001D1B

    #001D1B

    oklch(20.8% 0.036 188.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210D2F

    #210D2F

    oklch(20.9% 0.067 308.8)

  • #300900

    #300900

    oklch(20.9% 0.067 39)

  • #101D00

    #101D00

    oklch(21.1% 0.056 129.2)

  • #001C24

    #001C24

    oklch(20.9% 0.038 219.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210D2F, closest first.

Similar named colors

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

Use #210D2F 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.