#213EA8#213EA8

#213EA8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.173 H 266.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#213EA8
RGB	rgb(33, 62, 168)
HSL	hsl(227, 67%, 39%)
HSV	hsv(227, 80%, 66%)
CMYK	cmyk(80.4%, 63.1%, 0%, 34.1%)
CIE-LAB	lab(30.87, 29.34, -59.78)
CIE-LCH	lch(30.87, 66.59, 296.14°)
OKLab	oklab(41.53% -0.0103 -0.173)
OKLCH	oklch(41.53% 0.173 266.6)
XYZ	xyz(9.4152, 6.5946, 37.8149)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213EA8 #A88B21

analogous

#2182A8 #213EA8 #4821A8

triadic

#213EA8 #A8213E #3EA821

tetradic

#213EA8 #A82182 #A88B21 #21A848

square

#213EA8 #A82182 #A88B21 #21A848

split-complementary

#213EA8 #A84821 #82A821

monochromatic

#0D1842 #172B75 #213EA8 #3054D6 #637EE0

Accessibility & contrast

On white

9.05

#213EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#213EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213EA8

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213EA8	#FFFFFF	#000000	##FFFFFF
##213EA8	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #213ea8;
/* rgb */ color: rgb(33, 62, 168);
/* oklch */ color: oklch(41.5% 0.173 266.6);

Tailwind

colors: {
  custom: {
    50: '#7473c3',
    500: '#213ea8',
    950: '#000000',
  },
}

SCSS

$custom: #213ea8;
$custom-light: #7473c3;
$custom-dark: #000000;

JSON

{
  "hex": "#213ea8",
  "rgb": {
    "r": 33,
    "g": 62,
    "b": 168
  },
  "hsl": {
    "h": 227.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41526,
    "c": 0.17327,
    "h": 266.6
  },
  "luminance": 0.06596
}

Semantic roles & 50–950 ramp

primary

#213EA8

secondary

#C5B05F

accent

#C53EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #213EA8

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

Preview Lab → · Contrast checker → · Palette generator →