#211B48

Closest named color: Dark Indigo (#1F0954). oklch(25.8% 0.081 285.3), rgb(33, 27, 72).

Aa

White text reads best on this color (15.96:1).

About this color

#211B48 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.081 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.045 away. White text reads best on it, at 15.96:1.

Hue familyPurples
Lightnessdark (26%)
Chromamoderately saturated (0.081)
Temperaturecool
Nearest nameDark Indigo (#1F0954)
Black text1.31:1
White text15.96:1

Values

HEX#211B48
RGBrgb(33, 27, 72)
HSLhsl(248, 45%, 19%)
OKLCHoklch(25.8% 0.081 285.3)

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 #211B48 15.96:1 AAA Lc -105.4 Preferred for body text
Black text on #211B48 1.31:1 Fails Lc 0.0 Not readable
#211B48 text on white 15.96:1 AAA Lc 102.8 Preferred for body text
#211B48 text on black 1.31:1 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

    #F4F4FE

    oklch(97% 0.013 286.1)

  2. Step 100

    100

    #E7E8FC

    oklch(93.6% 0.027 283.6)

  3. Step 200

    200

    #D5D5FC

    oklch(88.5% 0.053 285.3)

  4. Step 300

    300

    #BAB8FC

    oklch(80.9% 0.095 285.4)

  5. Step 400

    400

    #9890FB

    oklch(70.6% 0.153 285.2)

  6. Step 500

    500

    #8270F8

    oklch(63% 0.195 285.4)

  7. Step 600

    600

    #6E54E7

    oklch(55.7% 0.212 285.3)

  8. Step 700

    700

    #5C43C9

    oklch(49.1% 0.197 285.1)

  9. Step 800

    800

    #4B38A3

    oklch(42.7% 0.164 285.2)

  10. Step 900

    900

    #3E3281

    oklch(37.7% 0.128 285.4)

  11. Step 950

    950 (this color)

    #211B48

    oklch(25.8% 0.081 285.3)

Export this scale for Tailwind in the Tailwind colors tool

#211B48 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)#02234A0.042
Deuteranopia (no green cones)#0120470.042
Tritanopia (no blue cones)#13252E0.068
Achromatopsia (no color)#2222220.081

Harmonies

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

Complementary

The opposite hue (180°).

  • #211B48

    #211B48

    oklch(25.8% 0.081 285.3)

  • #272500

    #272500

    oklch(25.8% 0.055 106.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211B48

    #211B48

    oklch(25.8% 0.081 285.3)

  • #022349

    #022349

    oklch(25.8% 0.08 254.7)

  • #32143D

    #32143D

    oklch(25.7% 0.081 316)

Open the analogous palette in the generator

Split complementary

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

  • #211B48

    #211B48

    oklch(25.8% 0.081 285.3)

  • #321F00

    #321F00

    oklch(25.7% 0.054 76)

  • #112B00

    #112B00

    oklch(25.8% 0.076 135.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211B48

    #211B48

    oklch(25.8% 0.081 285.3)

  • #3F1500

    #3F1500

    oklch(25.9% 0.073 45.5)

  • #002B1D

    #002B1D

    oklch(25.6% 0.053 165.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211B48

    #211B48

    oklch(25.8% 0.081 285.3)

  • #420D16

    #420D16

    oklch(25.7% 0.081 15.4)

  • #272500

    #272500

    oklch(25.8% 0.055 106.6)

  • #002A2A

    #002A2A

    oklch(25.8% 0.044 194.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211B48, closest first.

Similar named colors

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

Use #211B48 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.