#213AA0#213AA0

#213AA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.167 H 267.3°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#213AA0
RGB	rgb(33, 58, 160)
HSL	hsl(228, 66%, 38%)
HSV	hsv(228, 79%, 63%)
CMYK	cmyk(79.4%, 63.8%, 0%, 37.3%)
CIE-LAB	lab(29.12, 28.95, -57.81)
CIE-LCH	lch(29.12, 64.65, 296.60°)
OKLab	oklab(40.02% -0.0078 -0.1672)
OKLCH	oklch(40.02% 0.167 267.3)
XYZ	xyz(8.4832, 5.8865, 33.9400)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213AA0 #A08721

analogous

#2179A0 #213AA0 #4721A0

triadic

#213AA0 #A0213A #3AA021

tetradic

#213AA0 #A02179 #A08721 #21A047

square

#213AA0 #A02179 #A08721 #21A047

split-complementary

#213AA0 #A04721 #79A021

monochromatic

#0C153B #17286D #213AA0 #2B4CD3 #5E77DE

Accessibility & contrast

On white

9.64

#213AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#213AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213AA0

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213AA0	#FFFFFF	#000000	##FFFFFF
##213AA0	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213aa0;
/* rgb */ color: rgb(33, 58, 160);
/* oklch */ color: oklch(40.0% 0.167 267.3);

Tailwind

colors: {
  custom: {
    50: '#7270bd',
    500: '#213aa0',
    950: '#000000',
  },
}

SCSS

$custom: #213aa0;
$custom-light: #7270bd;
$custom-dark: #000000;

JSON

{
  "hex": "#213aa0",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 160
  },
  "hsl": {
    "h": 228.189,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40019,
    "c": 0.1674,
    "h": 267.3
  },
  "luminance": 0.05888
}

Semantic roles & 50–950 ramp

primary

#213AA0

secondary

#C2AE5B

accent

#C73FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213AA0

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

Preview Lab → · Contrast checker → · Palette generator →