#213C8F#213C8F

#213C8F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.141 H 266.2°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#213C8F
RGB	rgb(33, 60, 143)
HSL	hsl(225, 63%, 35%)
HSV	hsv(225, 77%, 56%)
CMYK	cmyk(76.9%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.21, 20.98, -48.91)
CIE-LCH	lch(28.21, 53.21, 293.21°)
OKLab	oklab(38.89% -0.0094 -0.1411)
OKLCH	oklch(38.89% 0.141 266.2)
XYZ	xyz(7.1992, 5.5374, 26.6707)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C8F #8F7421

analogous

#21738F #213C8F #3D218F

triadic

#213C8F #8F213C #3C8F21

tetradic

#213C8F #8F2173 #8F7421 #218F3D

square

#213C8F #8F2173 #8F7421 #218F3D

split-complementary

#213C8F #8F3D21 #738F21

monochromatic

#0A122C #16275D #213C8F #2C51C1 #5374D7

Accessibility & contrast

On white

9.96

#213C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#213C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C8F

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C8F	#FFFFFF	#000000	##FFFFFF
##213C8F	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #213c8f;
/* rgb */ color: rgb(33, 60, 143);
/* oklch */ color: oklch(38.9% 0.141 266.2);

Tailwind

colors: {
  custom: {
    50: '#6e71b0',
    500: '#213c8f',
    950: '#000000',
  },
}

SCSS

$custom: #213c8f;
$custom-light: #6e71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#213c8f",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 225.273,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38891,
    "c": 0.1414,
    "h": 266.2
  },
  "luminance": 0.05538
}

Semantic roles & 50–950 ramp

primary

#213C8F

secondary

#BBA151

accent

#BD42E6

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #213C8F

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

Preview Lab → · Contrast checker → · Palette generator →