#21197E#21197E

#21197E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.160 H 275.2°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#21197E
RGB	rgb(33, 25, 126)
HSL	hsl(245, 67%, 30%)
HSV	hsv(245, 80%, 49%)
CMYK	cmyk(73.8%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(18.03, 37.36, -54.97)
CIE-LCH	lch(18.03, 66.46, 304.20°)
OKLab	oklab(30.97% 0.0145 -0.1589)
OKLCH	oklch(30.97% 0.16 275.2)
XYZ	xyz(4.7395, 2.5245, 19.9721)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21197E #767E19

analogous

#19447E #21197E #53197E

triadic

#21197E #7E2119 #197E21

tetradic

#21197E #7E1944 #767E19 #197E53

square

#21197E #7E1944 #767E19 #197E53

split-complementary

#21197E #7E5319 #447E19

monochromatic

#07051A #140F4B #21197E #2E23B1 #463AD8

Accessibility & contrast

On white

13.95

#21197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#21197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21197E

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21197E	#FFFFFF	#000000	##FFFFFF
##21197E	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00277C

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21197e;
/* rgb */ color: rgb(33, 25, 126);
/* oklch */ color: oklch(31.0% 0.160 275.2);

Tailwind

colors: {
  custom: {
    50: '#6c58a5',
    500: '#21197e',
    950: '#000000',
  },
}

SCSS

$custom: #21197e;
$custom-light: #6c58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21197e",
  "rgb": {
    "r": 33,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 244.752,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30968,
    "c": 0.1596,
    "h": 275.2
  },
  "luminance": 0.02525
}

Semantic roles & 50–950 ramp

primary

#21197E

secondary

#A9B241

accent

#EA3EDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21197E

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

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