#223F7E#223F7E

#223F7E is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.112 H 263.4°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#223F7E
RGB	rgb(34, 63, 126)
HSL	hsl(221, 58%, 31%)
HSV	hsv(221, 73%, 49%)
CMYK	cmyk(73%, 50%, 0%, 50.6%)
CIE-LAB	lab(27.85, 12.30, -38.94)
CIE-LCH	lch(27.85, 40.83, 287.53°)
OKLab	oklab(38.22% -0.0128 -0.1117)
OKLCH	oklch(38.22% 0.112 263.4)
XYZ	xyz(6.2018, 5.4008, 20.4502)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F7E #7E6122

analogous

#226D7E #223F7E #33227E

triadic

#223F7E #7E223F #3F7E22

tetradic

#223F7E #7E226D #7E6122 #227E33

square

#223F7E #7E226D #7E6122 #227E33

split-complementary

#223F7E #7E3322 #6D7E22

monochromatic

#080F1E #15274E #223F7E #2F57AE #4C75CF

Accessibility & contrast

On white

10.10

#223F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#223F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F7E

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F7E	#FFFFFF	#000000	##FFFFFF
##223F7E	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4680

Deuteranopia (green-blind)

#043E7D

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223f7e;
/* rgb */ color: rgb(34, 63, 126);
/* oklch */ color: oklch(38.2% 0.112 263.4);

Tailwind

colors: {
  custom: {
    50: '#6a73a4',
    500: '#223f7e',
    950: '#000000',
  },
}

SCSS

$custom: #223f7e;
$custom-light: #6a73a4;
$custom-dark: #000000;

JSON

{
  "hex": "#223f7e",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 126
  },
  "hsl": {
    "h": 221.087,
    "s": 57.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3822,
    "c": 0.11243,
    "h": 263.4
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#223F7E

secondary

#B1914B

accent

#B047E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #223F7E

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

Preview Lab → · Contrast checker → · Palette generator →