#213DA8#213DA8

#213DA8 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.174 H 266.8°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#213DA8
RGB	rgb(33, 61, 168)
HSL	hsl(228, 67%, 39%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(80.4%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(30.61, 30.01, -60.20)
CIE-LCH	lch(30.61, 67.26, 296.49°)
OKLab	oklab(41.34% -0.0097 -0.1742)
OKLCH	oklch(41.34% 0.174 266.8)
XYZ	xyz(9.3614, 6.4869, 37.7969)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DA8 #A88C21

analogous

#2180A8 #213DA8 #4921A8

triadic

#213DA8 #A8213D #3DA821

tetradic

#213DA8 #A82180 #A88C21 #21A849

square

#213DA8 #A82180 #A88C21 #21A849

split-complementary

#213DA8 #A84921 #80A821

monochromatic

#0D1842 #172A75 #213DA8 #3052D6 #637DE0

Accessibility & contrast

On white

9.14

#213DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#213DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DA8

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DA8	#FFFFFF	#000000	##FFFFFF
##213DA8	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #213da8;
/* rgb */ color: rgb(33, 61, 168);
/* oklch */ color: oklch(41.3% 0.174 266.8);

Tailwind

colors: {
  custom: {
    50: '#7472c3',
    500: '#213da8',
    950: '#000000',
  },
}

SCSS

$custom: #213da8;
$custom-light: #7472c3;
$custom-dark: #000000;

JSON

{
  "hex": "#213da8",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 227.556,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41336,
    "c": 0.17447,
    "h": 266.8
  },
  "luminance": 0.06488
}

Semantic roles & 50–950 ramp

primary

#213DA8

secondary

#C5B05F

accent

#C63EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #213DA8

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

Preview Lab → · Contrast checker → · Palette generator →