#213FA4#213FA4

#213FA4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.167 H 266.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#213FA4
RGB	rgb(33, 63, 164)
HSL	hsl(226, 66%, 39%)
HSV	hsv(226, 80%, 64%)
CMYK	cmyk(79.9%, 61.6%, 0%, 35.7%)
CIE-LAB	lab(30.78, 27.14, -57.52)
CIE-LCH	lch(30.78, 63.60, 295.26°)
OKLab	oklab(41.35% -0.0109 -0.1663)
OKLCH	oklch(41.35% 0.167 266.3)
XYZ	xyz(9.1032, 6.5576, 35.9007)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213FA4 #A48621

analogous

#2180A4 #213FA4 #4521A4

triadic

#213FA4 #A4213F #3FA421

tetradic

#213FA4 #A42180 #A48621 #21A445

square

#213FA4 #A42180 #A48621 #21A445

split-complementary

#213FA4 #A44521 #80A421

monochromatic

#0C183E #172B71 #213FA4 #2D54D5 #607DDF

Accessibility & contrast

On white

9.08

#213FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#213FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213FA4

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213FA4	#FFFFFF	#000000	##FFFFFF
##213FA4	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #213fa4;
/* rgb */ color: rgb(33, 63, 164);
/* oklch */ color: oklch(41.4% 0.167 266.3);

Tailwind

colors: {
  custom: {
    50: '#7373c0',
    500: '#213fa4',
    950: '#000000',
  },
}

SCSS

$custom: #213fa4;
$custom-light: #7373c0;
$custom-dark: #000000;

JSON

{
  "hex": "#213fa4",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 226.26,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41353,
    "c": 0.16668,
    "h": 266.3
  },
  "luminance": 0.06559
}

Semantic roles & 50–950 ramp

primary

#213FA4

secondary

#C4AC5D

accent

#C23EE9

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #213FA4

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

Preview Lab → · Contrast checker → · Palette generator →