#213BA1#213BA1

#213BA1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.168 H 267.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#213BA1
RGB	rgb(33, 59, 161)
HSL	hsl(228, 66%, 38%)
HSV	hsv(228, 80%, 63%)
CMYK	cmyk(79.5%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.47, 28.66, -57.84)
CIE-LCH	lch(29.47, 64.55, 296.36°)
OKLab	oklab(40.3% -0.0084 -0.1673)
OKLCH	oklch(40.3% 0.168 267.1)
XYZ	xyz(8.6219, 6.0235, 34.4195)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213BA1 #A18721

analogous

#217BA1 #213BA1 #4721A1

triadic

#213BA1 #A1213B #3BA121

tetradic

#213BA1 #A1217B #A18721 #21A147

square

#213BA1 #A1217B #A18721 #21A147

split-complementary

#213BA1 #A14721 #7BA121

monochromatic

#0C163B #17286E #213BA1 #2C4ED4 #5E78DE

Accessibility & contrast

On white

9.52

#213BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#213BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213BA1

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213BA1	#FFFFFF	#000000	##FFFFFF
##213BA1	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213ba1;
/* rgb */ color: rgb(33, 59, 161);
/* oklch */ color: oklch(40.3% 0.168 267.1);

Tailwind

colors: {
  custom: {
    50: '#7270be',
    500: '#213ba1',
    950: '#000000',
  },
}

SCSS

$custom: #213ba1;
$custom-light: #7270be;
$custom-dark: #000000;

JSON

{
  "hex": "#213ba1",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 227.813,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40303,
    "c": 0.16753,
    "h": 267.1
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#213BA1

secondary

#C3AE5B

accent

#C63FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213BA1

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

Preview Lab → · Contrast checker → · Palette generator →