#21348B#21348B

#21348B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.146 H 268.6°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#21348B
RGB	rgb(33, 52, 139)
HSL	hsl(229, 62%, 34%)
HSV	hsv(229, 76%, 55%)
CMYK	cmyk(76.3%, 62.6%, 0%, 45.5%)
CIE-LAB	lab(25.69, 24.91, -50.54)
CIE-LCH	lch(25.69, 56.35, 296.24°)
OKLab	oklab(36.9% -0.0036 -0.146)
OKLCH	oklch(36.9% 0.146 268.6)
XYZ	xyz(6.5138, 4.6427, 24.9739)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21348B #8B7821

analogous

#21698B #21348B #43218B

triadic

#21348B #8B2134 #348B21

tetradic

#21348B #8B2169 #8B7821 #218B43

square

#21348B #8B2169 #8B7821 #218B43

split-complementary

#21348B #8B4321 #698B21

monochromatic

#0A0F28 #15215A #21348B #2D47BC #5169D6

Accessibility & contrast

On white

10.89

#21348B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#21348B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21348B

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21348B	#FFFFFF	#000000	##FFFFFF
##21348B	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #21348b;
/* rgb */ color: rgb(33, 52, 139);
/* oklch */ color: oklch(36.9% 0.146 268.6);

Tailwind

colors: {
  custom: {
    50: '#6d6bae',
    500: '#21348b',
    950: '#000000',
  },
}

SCSS

$custom: #21348b;
$custom-light: #6d6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#21348b",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 139
  },
  "hsl": {
    "h": 229.245,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36903,
    "c": 0.14605,
    "h": 268.6
  },
  "luminance": 0.04643
}

Semantic roles & 50–950 ramp

primary

#21348B

secondary

#B9A64F

accent

#C843E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21348B

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

Preview Lab → · Contrast checker → · Palette generator →