#213C8C#213C8C

#213C8C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.137 H 266.0°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#213C8C
RGB	rgb(33, 60, 140)
HSL	hsl(225, 62%, 34%)
HSV	hsv(225, 76%, 55%)
CMYK	cmyk(76.4%, 57.1%, 0%, 45.1%)
CIE-LAB	lab(27.97, 19.79, -47.45)
CIE-LCH	lch(27.97, 51.41, 292.64°)
OKLab	oklab(38.64% -0.0096 -0.1368)
OKLCH	oklch(38.64% 0.137 266)
XYZ	xyz(6.9750, 5.4477, 25.4898)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C8C #8C7121

analogous

#21728C #213C8C #3C218C

triadic

#213C8C #8C213C #3C8C21

tetradic

#213C8C #8C2172 #8C7121 #218C3C

square

#213C8C #8C2172 #8C7121 #218C3C

split-complementary

#213C8C #8C3C21 #728C21

monochromatic

#0A1229 #15275A #213C8C #2D51BE #5173D6

Accessibility & contrast

On white

10.05

#213C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#213C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C8C

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C8C	#FFFFFF	#000000	##FFFFFF
##213C8C	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #213c8c;
/* rgb */ color: rgb(33, 60, 140);
/* oklch */ color: oklch(38.6% 0.137 266.0);

Tailwind

colors: {
  custom: {
    50: '#6d71ae',
    500: '#213c8c',
    950: '#000000',
  },
}

SCSS

$custom: #213c8c;
$custom-light: #6d71ae;
$custom-dark: #000000;

JSON

{
  "hex": "#213c8c",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 140
  },
  "hsl": {
    "h": 224.86,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38635,
    "c": 0.13713,
    "h": 266
  },
  "luminance": 0.05449
}

Semantic roles & 50–950 ramp

primary

#213C8C

secondary

#B99F4F

accent

#BC43E5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #213C8C

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

Preview Lab → · Contrast checker → · Palette generator →