#21367D#21367D

#21367D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.123 H 267.4°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#21367D
RGB	rgb(33, 54, 125)
HSL	hsl(226, 58%, 31%)
HSV	hsv(226, 74%, 49%)
CMYK	cmyk(73.6%, 56.8%, 0%, 51%)
CIE-LAB	lab(25.08, 18.03, -42.78)
CIE-LCH	lch(25.08, 46.42, 292.85°)
OKLab	oklab(36.08% -0.0056 -0.1232)
OKLCH	oklch(36.08% 0.123 267.4)
XYZ	xyz(5.6468, 4.4418, 19.9578)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21367D #7D6821

analogous

#21647D #21367D #3A217D

triadic

#21367D #7D2136 #367D21

tetradic

#21367D #7D2164 #7D6821 #217D3A

square

#21367D #7D2164 #7D6821 #217D3A

split-complementary

#21367D #7D3A21 #647D21

monochromatic

#070C1C #14214D #21367D #2E4BAD #4968CF

Accessibility & contrast

On white

11.12

#21367D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#21367D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21367D

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21367D	#FFFFFF	#000000	##FFFFFF
##21367D	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #21367d;
/* rgb */ color: rgb(33, 54, 125);
/* oklch */ color: oklch(36.1% 0.123 267.4);

Tailwind

colors: {
  custom: {
    50: '#6a6ca3',
    500: '#21367d',
    950: '#000000',
  },
}

SCSS

$custom: #21367d;
$custom-light: #6a6ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#21367d",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 125
  },
  "hsl": {
    "h": 226.304,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36083,
    "c": 0.1233,
    "h": 267.4
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#21367D

secondary

#B0994A

accent

#BE46E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #21367D

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

Preview Lab → · Contrast checker → · Palette generator →