#223D7E#223D7E

#223D7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.115 H 264.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#223D7E
RGB	rgb(34, 61, 126)
HSL	hsl(222, 58%, 31%)
HSV	hsv(222, 73%, 49%)
CMYK	cmyk(73%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(27.25, 13.68, -39.90)
CIE-LCH	lch(27.25, 42.18, 288.93°)
OKLab	oklab(37.76% -0.0109 -0.1145)
OKLCH	oklch(37.76% 0.115 264.5)
XYZ	xyz(6.0930, 5.1833, 20.4140)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223D7E #7E6322

analogous

#226B7E #223D7E #35227E

triadic

#223D7E #7E223D #3D7E22

tetradic

#223D7E #7E226B #7E6322 #227E35

square

#223D7E #7E226B #7E6322 #227E35

split-complementary

#223D7E #7E3522 #6B7E22

monochromatic

#080E1E #15264E #223D7E #2F54AE #4C72CF

Accessibility & contrast

On white

10.31

#223D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223D7E

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223D7E	#FFFFFF	#000000	##FFFFFF
##223D7E	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174580

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223d7e;
/* rgb */ color: rgb(34, 61, 126);
/* oklch */ color: oklch(37.8% 0.115 264.5);

Tailwind

colors: {
  custom: {
    50: '#6a72a4',
    500: '#223d7e',
    950: '#000000',
  },
}

SCSS

$custom: #223d7e;
$custom-light: #6a72a4;
$custom-dark: #000000;

JSON

{
  "hex": "#223d7e",
  "rgb": {
    "r": 34,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 222.391,
    "s": 57.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37764,
    "c": 0.11507,
    "h": 264.5
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#223D7E

secondary

#B1934B

accent

#B447E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #223D7E

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

Preview Lab → · Contrast checker → · Palette generator →