#21385B#21385B

#21385B is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.0% C 0.068 H 258.5°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#21385B
RGB	rgb(33, 56, 91)
HSL	hsl(216, 47%, 24%)
HSV	hsv(216, 64%, 36%)
CMYK	cmyk(63.7%, 38.5%, 0%, 64.3%)
CIE-LAB	lab(23.36, 3.23, -23.68)
CIE-LCH	lch(23.36, 23.90, 277.75°)
OKLab	oklab(34.02% -0.0136 -0.0671)
OKLCH	oklch(34.02% 0.068 258.5)
XYZ	xyz(3.9290, 3.9067, 10.4425)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21385B #5B4421

analogous

#21555B #21385B #27215B

triadic

#21385B #5B2138 #385B21

tetradic

#21385B #5B2155 #5B4421 #215B27

square

#21385B #5B2155 #5B4421 #215B27

split-complementary

#21385B #5B2721 #555B21

monochromatic

#080E16 #111C2E #21385B #315488 #426FB5

Accessibility & contrast

On white

11.79

#21385B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#21385B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21385B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21385B	#FFFFFF	#000000	##FFFFFF
##21385B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293B5C

Deuteranopia (green-blind)

#22355A

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21385b;
/* rgb */ color: rgb(33, 56, 91);
/* oklch */ color: oklch(34.0% 0.068 258.5);

Tailwind

colors: {
  custom: {
    50: '#626e89',
    500: '#21385b',
    950: '#000000',
  },
}

SCSS

$custom: #21385b;
$custom-light: #626e89;
$custom-dark: #000000;

JSON

{
  "hex": "#21385b",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 91
  },
  "hsl": {
    "h": 216.207,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34016,
    "c": 0.06842,
    "h": 258.5
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#21385B

secondary

#8F7349

accent

#A251D6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #21385B

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

Preview Lab → · Contrast checker → · Palette generator →