#211B47

Closest named color: Oxford Blue (#1B263B). oklch(25.7% 0.079 285.6), rgb(33, 27, 71).

Aa

White text reads best on this color (16.00:1).

About this color

#211B47 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.079 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 16.00:1.

Hue familyPurples
Lightnessdark (26%)
Chromamoderately saturated (0.079)
Temperaturecool
Nearest nameOxford Blue (#1B263B)
Black text1.31:1
White text16.00:1

Values

HEX#211B47
RGBrgb(33, 27, 71)
HSLhsl(248, 45%, 19%)
OKLCHoklch(25.7% 0.079 285.6)

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 #211B47 16.00:1 AAA Lc -105.4 Preferred for body text
Black text on #211B47 1.31:1 Fails Lc 0.0 Not readable
#211B47 text on white 16.00:1 AAA Lc 102.8 Preferred for body text
#211B47 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

    #E8E8FC

    oklch(93.7% 0.027 285.9)

  3. Step 200

    200

    #D5D5FB

    oklch(88.5% 0.052 285.3)

  4. Step 300

    300

    #BAB8FB

    oklch(80.8% 0.094 285.5)

  5. Step 400

    400

    #9991F9

    oklch(70.8% 0.149 285.4)

  6. Step 500

    500

    #8371F6

    oklch(63.2% 0.191 285.7)

  7. Step 600

    600

    #6E55E5

    oklch(55.7% 0.208 285.4)

  8. Step 700

    700

    #5D43C7

    oklch(49.1% 0.195 285.8)

  9. Step 800

    800

    #4B39A1

    oklch(42.7% 0.16 285.3)

  10. Step 900

    900

    #3E3280

    oklch(37.6% 0.126 285.6)

  11. Step 950

    950 (this color)

    #211B47

    oklch(25.7% 0.079 285.6)

Export this scale for Tailwind in the Tailwind colors tool

#211B47 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)#0323480.042
Deuteranopia (no green cones)#0220460.042
Tritanopia (no blue cones)#14252E0.066
Achromatopsia (no color)#2222220.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #211B47

    #211B47

    oklch(25.7% 0.079 285.6)

  • #272400

    #272400

    oklch(25.5% 0.054 104.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211B47

    #211B47

    oklch(25.7% 0.079 285.6)

  • #032248

    #032248

    oklch(25.5% 0.08 255.7)

  • #31143D

    #31143D

    oklch(25.6% 0.08 314.9)

Open the analogous palette in the generator

Split complementary

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

  • #211B47

    #211B47

    oklch(25.7% 0.079 285.6)

  • #321F00

    #321F00

    oklch(25.7% 0.054 76)

  • #102B00

    #102B00

    oklch(25.7% 0.076 135.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211B47

    #211B47

    oklch(25.7% 0.079 285.6)

  • #3E1500

    #3E1500

    oklch(25.7% 0.072 46.1)

  • #002B1D

    #002B1D

    oklch(25.6% 0.053 165.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211B47

    #211B47

    oklch(25.7% 0.079 285.6)

  • #410E16

    #410E16

    oklch(25.6% 0.078 15.7)

  • #272400

    #272400

    oklch(25.5% 0.054 104.9)

  • #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 #211B47, closest first.

Similar named colors

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

Use #211B47 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.