#21285F#21285F

#21285F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.097 H 273.7°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#21285F
RGB	rgb(33, 40, 95)
HSL	hsl(233, 48%, 25%)
HSV	hsv(233, 65%, 37%)
CMYK	cmyk(65.3%, 57.9%, 0%, 62.7%)
CIE-LAB	lab(18.66, 16.18, -33.84)
CIE-LCH	lch(18.66, 37.51, 295.56°)
OKLab	oklab(30.5% 0.0063 -0.0971)
OKLCH	oklch(30.5% 0.097 273.7)
XYZ	xyz(3.4509, 2.6669, 11.1572)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21285F #5F5821

analogous

#21475F #21285F #39215F

triadic

#21285F #5F2128 #285F21

tetradic

#21285F #5F2147 #5F5821 #215F39

square

#21285F #5F2147 #5F5821 #215F39

split-complementary

#21285F #5F3921 #475F21

monochromatic

#080A17 #111532 #21285F #313B8C #414EBA

Accessibility & contrast

On white

13.70

#21285F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#21285F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21285F

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21285F	#FFFFFF	#000000	##FFFFFF
##21285F	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043061

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#00353F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21285f;
/* rgb */ color: rgb(33, 40, 95);
/* oklch */ color: oklch(30.5% 0.097 273.7);

Tailwind

colors: {
  custom: {
    50: '#64618d',
    500: '#21285f',
    950: '#000000',
  },
}

SCSS

$custom: #21285f;
$custom-light: #64618d;
$custom-dark: #000000;

JSON

{
  "hex": "#21285f",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 95
  },
  "hsl": {
    "h": 233.226,
    "s": 48.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30504,
    "c": 0.09726,
    "h": 273.7
  },
  "luminance": 0.02667
}

Semantic roles & 50–950 ramp

primary

#21285F

secondary

#938B49

accent

#C950D8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #21285F

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

Preview Lab → · Contrast checker → · Palette generator →