#213DAE#213DAE

#213DAE is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.182 H 266.9°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#213DAE
RGB	rgb(33, 61, 174)
HSL	hsl(228, 68%, 41%)
HSV	hsv(228, 81%, 68%)
CMYK	cmyk(81%, 64.9%, 0%, 31.8%)
CIE-LAB	lab(31.15, 32.28, -62.90)
CIE-LCH	lch(31.15, 70.70, 297.17°)
OKLab	oklab(41.9% -0.0099 -0.1821)
OKLCH	oklch(41.9% 0.182 266.9)
XYZ	xyz(9.9333, 6.7156, 40.8089)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DAE #AE9221

analogous

#2183AE #213DAE #4B21AE

triadic

#213DAE #AE213D #3DAE21

tetradic

#213DAE #AE2183 #AE9221 #21AE4B

square

#213DAE #AE2183 #AE9221 #21AE4B

split-complementary

#213DAE #AE4B21 #83AE21

monochromatic

#0D1947 #172B7B #213DAE #3454D8 #6780E2

Accessibility & contrast

On white

8.96

#213DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#213DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DAE

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DAE	#FFFFFF	#000000	##FFFFFF
##213DAE	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #213dae;
/* rgb */ color: rgb(33, 61, 174);
/* oklch */ color: oklch(41.9% 0.182 266.9);

Tailwind

colors: {
  custom: {
    50: '#7572c7',
    500: '#213dae',
    950: '#000000',
  },
}

SCSS

$custom: #213dae;
$custom-light: #7572c7;
$custom-dark: #000000;

JSON

{
  "hex": "#213dae",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 174
  },
  "hsl": {
    "h": 228.085,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41901,
    "c": 0.18239,
    "h": 266.9
  },
  "luminance": 0.06717
}

Semantic roles & 50–950 ramp

primary

#213DAE

secondary

#C8B463

accent

#C83DEB

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #213DAE

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

Preview Lab → · Contrast checker → · Palette generator →