#213FAE#213FAE

#213FAE is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.180 H 266.5°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#213FAE
RGB	rgb(33, 63, 174)
HSL	hsl(227, 68%, 41%)
HSV	hsv(227, 81%, 68%)
CMYK	cmyk(81%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(31.65, 30.97, -62.08)
CIE-LCH	lch(31.65, 69.37, 296.51°)
OKLab	oklab(42.27% -0.0109 -0.1797)
OKLCH	oklch(42.27% 0.18 266.5)
XYZ	xyz(10.0420, 6.9332, 40.8452)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213FAE #AE9021

analogous

#2185AE #213FAE #4921AE

triadic

#213FAE #AE213F #3FAE21

tetradic

#213FAE #AE2185 #AE9021 #21AE49

square

#213FAE #AE2185 #AE9021 #21AE49

split-complementary

#213FAE #AE4921 #85AE21

monochromatic

#0D1A47 #172C7B #213FAE #3457D8 #6781E2

Accessibility & contrast

On white

8.80

#213FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#213FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213FAE

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213FAE	#FFFFFF	#000000	##FFFFFF
##213FAE	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #213fae;
/* rgb */ color: rgb(33, 63, 174);
/* oklch */ color: oklch(42.3% 0.180 266.5);

Tailwind

colors: {
  custom: {
    50: '#7573c7',
    500: '#213fae',
    950: '#000000',
  },
}

SCSS

$custom: #213fae;
$custom-light: #7573c7;
$custom-dark: #000000;

JSON

{
  "hex": "#213fae",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 227.234,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42273,
    "c": 0.18001,
    "h": 266.5
  },
  "luminance": 0.06934
}

Semantic roles & 50–950 ramp

primary

#213FAE

secondary

#C8B263

accent

#C63DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #213FAE

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

Preview Lab → · Contrast checker → · Palette generator →