#21347D#21347D

#21347D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.126 H 268.3°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#21347D
RGB	rgb(33, 52, 125)
HSL	hsl(228, 58%, 31%)
HSV	hsv(228, 74%, 49%)
CMYK	cmyk(73.6%, 58.4%, 0%, 51%)
CIE-LAB	lab(24.51, 19.43, -43.70)
CIE-LCH	lch(24.51, 47.83, 293.97°)
OKLab	oklab(35.65% -0.0038 -0.1259)
OKLCH	oklch(35.65% 0.126 268.3)
XYZ	xyz(5.5556, 4.2594, 19.9274)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21347D #7D6A21

analogous

#21627D #21347D #3C217D

triadic

#21347D #7D2134 #347D21

tetradic

#21347D #7D2162 #7D6A21 #217D3C

square

#21347D #7D2162 #7D6A21 #217D3C

split-complementary

#21347D #7D3C21 #627D21

monochromatic

#070C1C #14204D #21347D #2E48AD #4965CF

Accessibility & contrast

On white

11.34

#21347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#21347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21347D

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21347D	#FFFFFF	#000000	##FFFFFF
##21347D	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7F

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21347d;
/* rgb */ color: rgb(33, 52, 125);
/* oklch */ color: oklch(35.7% 0.126 268.3);

Tailwind

colors: {
  custom: {
    50: '#6a6ba3',
    500: '#21347d',
    950: '#000000',
  },
}

SCSS

$custom: #21347d;
$custom-light: #6a6ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#21347d",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 227.609,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35654,
    "c": 0.12598,
    "h": 268.3
  },
  "luminance": 0.0426
}

Semantic roles & 50–950 ramp

primary

#21347D

secondary

#B09B4A

accent

#C146E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #21347D

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

Preview Lab → · Contrast checker → · Palette generator →