#213D72#213D72

#213D72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.097 H 261.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#213D72
RGB	rgb(33, 61, 114)
HSL	hsl(219, 55%, 29%)
HSV	hsv(219, 71%, 45%)
CMYK	cmyk(71.1%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(26.38, 8.75, -33.73)
CIE-LCH	lch(26.38, 34.85, 284.54°)
OKLab	oklab(36.82% -0.0138 -0.0964)
OKLCH	oklch(36.82% 0.097 261.8)
XYZ	xyz(5.3321, 4.8752, 16.5763)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D72 #725621

analogous

#216672 #213D72 #2E2172

triadic

#213D72 #72213D #3D7221

tetradic

#213D72 #722166 #725621 #21722E

square

#213D72 #722166 #725621 #21722E

split-complementary

#213D72 #722E21 #667221

monochromatic

#070D18 #132443 #213D72 #2F56A1 #4472C9

Accessibility & contrast

On white

10.63

#213D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#213D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D72

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D72	#FFFFFF	#000000	##FFFFFF
##213D72	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234274

Deuteranopia (green-blind)

#153B71

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #213d72;
/* rgb */ color: rgb(33, 61, 114);
/* oklch */ color: oklch(36.8% 0.097 261.8);

Tailwind

colors: {
  custom: {
    50: '#67729b',
    500: '#213d72',
    950: '#000000',
  },
}

SCSS

$custom: #213d72;
$custom-light: #67729b;
$custom-dark: #000000;

JSON

{
  "hex": "#213d72",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 219.259,
    "s": 55.102,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36815,
    "c": 0.09741,
    "h": 261.8
  },
  "luminance": 0.04876
}

Semantic roles & 50–950 ramp

primary

#213D72

secondary

#A58649

accent

#AB49DE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #213D72

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

Preview Lab → · Contrast checker → · Palette generator →