#21256A#21256A

#21256A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.118 H 274.5°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#21256A
RGB	rgb(33, 37, 106)
HSL	hsl(237, 53%, 27%)
HSV	hsv(237, 69%, 42%)
CMYK	cmyk(68.9%, 65.1%, 0%, 58.4%)
CIE-LAB	lab(18.74, 22.55, -40.92)
CIE-LCH	lch(18.74, 46.72, 298.86°)
OKLab	oklab(30.86% 0.0094 -0.1179)
OKLCH	oklch(30.86% 0.118 274.5)
XYZ	xyz(3.8894, 2.6867, 13.9465)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21256A #6A6621

analogous

#214A6A #21256A #41216A

triadic

#21256A #6A2125 #256A21

tetradic

#21256A #6A214A #6A6621 #216A41

square

#21256A #6A214A #6A6621 #216A41

split-complementary

#21256A #6A4121 #4A6A21

monochromatic

#070817 #12153B #21256A #303599 #4149C4

Accessibility & contrast

On white

13.66

#21256A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#21256A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21256A

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21256A	#FFFFFF	#000000	##FFFFFF
##21256A	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316C

Deuteranopia (green-blind)

#002A69

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21256a;
/* rgb */ color: rgb(33, 37, 106);
/* oklch */ color: oklch(30.9% 0.118 274.5);

Tailwind

colors: {
  custom: {
    50: '#665f95',
    500: '#21256a',
    950: '#000000',
  },
}

SCSS

$custom: #21256a;
$custom-light: #665f95;
$custom-dark: #000000;

JSON

{
  "hex": "#21256a",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 106
  },
  "hsl": {
    "h": 236.712,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30859,
    "c": 0.11828,
    "h": 274.5
  },
  "luminance": 0.02687
}

Semantic roles & 50–950 ramp

primary

#21256A

secondary

#9E9949

accent

#D44CDC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #21256A

Body copy rendered with the generated semantic roles for this colour.

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