#21358A#21358A

#21358A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.143 H 268.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#21358A
RGB	rgb(33, 53, 138)
HSL	hsl(229, 61%, 34%)
HSV	hsv(229, 76%, 54%)
CMYK	cmyk(76.1%, 61.6%, 0%, 45.9%)
CIE-LAB	lab(25.87, 23.83, -49.63)
CIE-LCH	lch(25.87, 55.05, 295.65°)
OKLab	oklab(37.01% -0.0043 -0.1433)
OKLCH	oklch(37.01% 0.143 268.3)
XYZ	xyz(6.4862, 4.7038, 24.6059)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21358A #8A7621

analogous

#21698A #21358A #41218A

triadic

#21358A #8A2135 #358A21

tetradic

#21358A #8A2169 #8A7621 #218A41

square

#21358A #8A2169 #8A7621 #218A41

split-complementary

#21358A #8A4121 #698A21

monochromatic

#090F27 #152259 #21358A #2D48BB #506AD5

Accessibility & contrast

On white

10.82

#21358A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#21358A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21358A

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21358A	#FFFFFF	#000000	##FFFFFF
##21358A	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #21358a;
/* rgb */ color: rgb(33, 53, 138);
/* oklch */ color: oklch(37.0% 0.143 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d6cad',
    500: '#21358a',
    950: '#000000',
  },
}

SCSS

$custom: #21358a;
$custom-light: #6d6cad;
$custom-dark: #000000;

JSON

{
  "hex": "#21358a",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 138
  },
  "hsl": {
    "h": 228.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37012,
    "c": 0.14336,
    "h": 268.3
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#21358A

secondary

#B9A44E

accent

#C643E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21358A

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

Preview Lab → · Contrast checker → · Palette generator →