#223F76#223F76

#223F76 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.100 H 261.9°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#223F76
RGB	rgb(34, 63, 118)
HSL	hsl(219, 55%, 30%)
HSV	hsv(219, 71%, 46%)
CMYK	cmyk(71.2%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.30, 9.12, -34.78)
CIE-LCH	lch(27.30, 35.95, 284.70°)
OKLab	oklab(37.63% -0.0142 -0.0994)
OKLCH	oklch(37.63% 0.1 261.9)
XYZ	xyz(5.7060, 5.2025, 17.8395)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F76 #765922

analogous

#226976 #223F76 #2F2276

triadic

#223F76 #76223F #3F7622

tetradic

#223F76 #762269 #765922 #22762F

square

#223F76 #762269 #765922 #22762F

split-complementary

#223F76 #762F22 #697622

monochromatic

#070D18 #142646 #223F76 #3058A6 #4875CA

Accessibility & contrast

On white

10.29

#223F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F76

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F76	#FFFFFF	#000000	##FFFFFF
##223F76	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244578

Deuteranopia (green-blind)

#153D75

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #223f76;
/* rgb */ color: rgb(34, 63, 118);
/* oklch */ color: oklch(37.6% 0.100 261.9);

Tailwind

colors: {
  custom: {
    50: '#68739e',
    500: '#223f76',
    950: '#000000',
  },
}

SCSS

$custom: #223f76;
$custom-light: #68739e;
$custom-dark: #000000;

JSON

{
  "hex": "#223f76",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 219.286,
    "s": 55.263,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37628,
    "c": 0.10046,
    "h": 261.9
  },
  "luminance": 0.05203
}

Semantic roles & 50–950 ramp

primary

#223F76

secondary

#A9884B

accent

#AB49DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #223F76

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

Preview Lab → · Contrast checker → · Palette generator →