#21258E#21258E

#21258E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.168 H 271.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#21258E
RGB	rgb(33, 37, 142)
HSL	hsl(238, 62%, 34%)
HSV	hsv(238, 77%, 56%)
CMYK	cmyk(76.8%, 73.9%, 0%, 44.3%)
CIE-LAB	lab(22.30, 35.87, -57.98)
CIE-LCH	lch(22.30, 68.17, 301.74°)
OKLab	oklab(34.52% 0.0054 -0.1678)
OKLCH	oklch(34.52% 0.168 271.8)
XYZ	xyz(6.1696, 3.5988, 25.9554)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21258E #8E8A21

analogous

#215C8E #21258E #54218E

triadic

#21258E #8E2125 #258E21

tetradic

#21258E #8E215C #8E8A21 #218E54

square

#21258E #8E215C #8E8A21 #218E54

split-complementary

#21258E #8E5421 #5C8E21

monochromatic

#0A0B2B #15185C #21258E #2D32C0 #5257D7

Accessibility & contrast

On white

12.21

#21258E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#21258E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21258E

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21258E	#FFFFFF	#000000	##FFFFFF
##21258E	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #21258e;
/* rgb */ color: rgb(33, 37, 142);
/* oklch */ color: oklch(34.5% 0.168 271.8);

Tailwind

colors: {
  custom: {
    50: '#6f60b0',
    500: '#21258e',
    950: '#000000',
  },
}

SCSS

$custom: #21258e;
$custom-light: #6f60b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21258e",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 142
  },
  "hsl": {
    "h": 237.798,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34519,
    "c": 0.1679,
    "h": 271.8
  },
  "luminance": 0.03599
}

Semantic roles & 50–950 ramp

primary

#21258E

secondary

#BAB750

accent

#DF42E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #21258E

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

Preview Lab → · Contrast checker → · Palette generator →