#213E7B#213E7B

#213E7B is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.110 H 263.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#213E7B
RGB	rgb(33, 62, 123)
HSL	hsl(221, 58%, 31%)
HSV	hsv(221, 73%, 48%)
CMYK	cmyk(73.2%, 49.6%, 0%, 51.8%)
CIE-LAB	lab(27.29, 11.64, -37.95)
CIE-LCH	lch(27.29, 39.70, 287.05°)
OKLab	oklab(37.71% -0.0132 -0.1088)
OKLCH	oklch(37.71% 0.11 263.1)
XYZ	xyz(5.9237, 5.1980, 19.4262)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213E7B #7B5E21

analogous

#216B7B #213E7B #31217B

triadic

#213E7B #7B213E #3E7B21

tetradic

#213E7B #7B216B #7B5E21 #217B31

square

#213E7B #7B216B #7B5E21 #217B31

split-complementary

#213E7B #7B3121 #6B7B21

monochromatic

#070D1A #14264B #213E7B #2E56AB #4873CE

Accessibility & contrast

On white

10.30

#213E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#213E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213E7B

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213E7B	#FFFFFF	#000000	##FFFFFF
##213E7B	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D457D

Deuteranopia (green-blind)

#063D7A

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213e7b;
/* rgb */ color: rgb(33, 62, 123);
/* oklch */ color: oklch(37.7% 0.110 263.1);

Tailwind

colors: {
  custom: {
    50: '#6972a2',
    500: '#213e7b',
    950: '#000000',
  },
}

SCSS

$custom: #213e7b;
$custom-light: #6972a2;
$custom-dark: #000000;

JSON

{
  "hex": "#213e7b",
  "rgb": {
    "r": 33,
    "g": 62,
    "b": 123
  },
  "hsl": {
    "h": 220.667,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37715,
    "c": 0.10962,
    "h": 263.1
  },
  "luminance": 0.05199
}

Semantic roles & 50–950 ramp

primary

#213E7B

secondary

#AE8E4A

accent

#AF47E1

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #213E7B

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

Preview Lab → · Contrast checker → · Palette generator →