#213C8B#213C8B

#213C8B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.136 H 265.9°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#213C8B
RGB	rgb(33, 60, 139)
HSL	hsl(225, 62%, 34%)
HSV	hsv(225, 76%, 55%)
CMYK	cmyk(76.3%, 56.8%, 0%, 45.5%)
CIE-LAB	lab(27.89, 19.39, -46.96)
CIE-LCH	lch(27.89, 50.80, 292.44°)
OKLab	oklab(38.55% -0.0097 -0.1353)
OKLCH	oklch(38.55% 0.136 265.9)
XYZ	xyz(6.9016, 5.4184, 25.1032)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C8B #8B7021

analogous

#21718B #213C8B #3B218B

triadic

#213C8B #8B213C #3C8B21

tetradic

#213C8B #8B2171 #8B7021 #218B3B

square

#213C8B #8B2171 #8B7021 #218B3B

split-complementary

#213C8B #8B3B21 #718B21

monochromatic

#0A1128 #15275A #213C8B #2D51BC #5173D6

Accessibility & contrast

On white

10.08

#213C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#213C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C8B

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C8B	#FFFFFF	#000000	##FFFFFF
##213C8B	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213c8b;
/* rgb */ color: rgb(33, 60, 139);
/* oklch */ color: oklch(38.6% 0.136 265.9);

Tailwind

colors: {
  custom: {
    50: '#6d71ae',
    500: '#213c8b',
    950: '#000000',
  },
}

SCSS

$custom: #213c8b;
$custom-light: #6d71ae;
$custom-dark: #000000;

JSON

{
  "hex": "#213c8b",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 139
  },
  "hsl": {
    "h": 224.717,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38551,
    "c": 0.13569,
    "h": 265.9
  },
  "luminance": 0.05419
}

Semantic roles & 50–950 ramp

primary

#213C8B

secondary

#B99E4F

accent

#BC43E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213C8B

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

Preview Lab → · Contrast checker → · Palette generator →