#213DA9#213DA9

#213DA9 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.176 H 266.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#213DA9
RGB	rgb(33, 61, 169)
HSL	hsl(228, 67%, 40%)
HSV	hsv(228, 80%, 66%)
CMYK	cmyk(80.5%, 63.9%, 0%, 33.7%)
CIE-LAB	lab(30.70, 30.39, -60.65)
CIE-LCH	lch(30.70, 67.84, 296.61°)
OKLab	oklab(41.43% -0.0097 -0.1755)
OKLCH	oklch(41.43% 0.176 266.8)
XYZ	xyz(9.4549, 6.5243, 38.2894)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DA9 #A98D21

analogous

#2181A9 #213DA9 #4921A9

triadic

#213DA9 #A9213D #3DA921

tetradic

#213DA9 #A92181 #A98D21 #21A949

square

#213DA9 #A92181 #A98D21 #21A949

split-complementary

#213DA9 #A94921 #81A921

monochromatic

#0D1843 #172B76 #213DA9 #3153D7 #647DE1

Accessibility & contrast

On white

9.11

#213DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#213DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DA9

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DA9	#FFFFFF	#000000	##FFFFFF
##213DA9	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #213da9;
/* rgb */ color: rgb(33, 61, 169);
/* oklch */ color: oklch(41.4% 0.176 266.8);

Tailwind

colors: {
  custom: {
    50: '#7472c4',
    500: '#213da9',
    950: '#000000',
  },
}

SCSS

$custom: #213da9;
$custom-light: #7472c4;
$custom-dark: #000000;

JSON

{
  "hex": "#213da9",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 169
  },
  "hsl": {
    "h": 227.647,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41429,
    "c": 0.1758,
    "h": 266.8
  },
  "luminance": 0.06525
}

Semantic roles & 50–950 ramp

primary

#213DA9

secondary

#C6B160

accent

#C73EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #213DA9

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

Preview Lab → · Contrast checker → · Palette generator →