#21297F#21297F

#21297F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.143 H 271.9°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#21297F
RGB	rgb(33, 41, 127)
HSL	hsl(235, 59%, 31%)
HSV	hsv(235, 74%, 50%)
CMYK	cmyk(74%, 67.7%, 0%, 50.2%)
CIE-LAB	lab(21.73, 27.79, -49.51)
CIE-LCH	lch(21.73, 56.77, 299.30°)
OKLab	oklab(33.65% 0.0048 -0.1431)
OKLCH	oklch(33.65% 0.143 271.9)
XYZ	xyz(5.2496, 3.4410, 20.4621)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21297F #7F7721

analogous

#21587F #21297F #48217F

triadic

#21297F #7F2129 #297F21

tetradic

#21297F #7F2158 #7F7721 #217F48

square

#21297F #7F2158 #7F7721 #217F48

split-complementary

#21297F #7F4821 #587F21

monochromatic

#080A1E #14194E #21297F #2E39B0 #4A56D0

Accessibility & contrast

On white

12.44

#21297F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#21297F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21297F

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21297F	#FFFFFF	#000000	##FFFFFF
##21297F	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21297f;
/* rgb */ color: rgb(33, 41, 127);
/* oklch */ color: oklch(33.7% 0.143 271.9);

Tailwind

colors: {
  custom: {
    50: '#6b63a5',
    500: '#21297f',
    950: '#000000',
  },
}

SCSS

$custom: #21297f;
$custom-light: #6b63a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21297f",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 127
  },
  "hsl": {
    "h": 234.894,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3365,
    "c": 0.14315,
    "h": 271.9
  },
  "luminance": 0.03442
}

Semantic roles & 50–950 ramp

primary

#21297F

secondary

#B2A94A

accent

#D546E2

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #21297F

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

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