#213D7F#213D7F

#213D7F is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.117 H 264.3°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#213D7F
RGB	rgb(33, 61, 127)
HSL	hsl(222, 59%, 31%)
HSV	hsv(222, 74%, 50%)
CMYK	cmyk(74%, 52%, 0%, 50.2%)
CIE-LAB	lab(27.28, 13.93, -40.49)
CIE-LCH	lch(27.28, 42.81, 288.98°)
OKLab	oklab(37.79% -0.0117 -0.1163)
OKLCH	oklch(37.79% 0.117 264.3)
XYZ	xyz(6.1254, 5.1925, 20.7540)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D7F #7F6321

analogous

#216C7F #213D7F #34217F

triadic

#213D7F #7F213D #3D7F21

tetradic

#213D7F #7F216C #7F6321 #217F34

square

#213D7F #7F216C #7F6321 #217F34

split-complementary

#213D7F #7F3421 #6C7F21

monochromatic

#080E1E #14264E #213D7F #2E54B0 #4A72D0

Accessibility & contrast

On white

10.30

#213D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#213D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D7F

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D7F	#FFFFFF	#000000	##FFFFFF
##213D7F	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)

#164581

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #213d7f;
/* rgb */ color: rgb(33, 61, 127);
/* oklch */ color: oklch(37.8% 0.117 264.3);

Tailwind

colors: {
  custom: {
    50: '#6a72a5',
    500: '#213d7f',
    950: '#000000',
  },
}

SCSS

$custom: #213d7f;
$custom-light: #6a72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#213d7f",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 127
  },
  "hsl": {
    "h": 222.128,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37794,
    "c": 0.11689,
    "h": 264.3
  },
  "luminance": 0.05193
}

Semantic roles & 50–950 ramp

primary

#213D7F

secondary

#B2934A

accent

#B346E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #213D7F

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

Preview Lab → · Contrast checker → · Palette generator →