#223B76#223B76

#223B76 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.106 H 264.5°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#223B76
RGB	rgb(34, 59, 118)
HSL	hsl(222, 55%, 30%)
HSV	hsv(222, 71%, 46%)
CMYK	cmyk(71.2%, 50%, 0%, 53.7%)
CIE-LAB	lab(26.09, 11.90, -36.73)
CIE-LCH	lch(26.09, 38.61, 287.96°)
OKLab	oklab(36.69% -0.0101 -0.1053)
OKLCH	oklch(36.69% 0.106 264.5)
XYZ	xyz(5.4925, 4.7755, 17.7683)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B76 #765D22

analogous

#226576 #223B76 #332276

triadic

#223B76 #76223B #3B7622

tetradic

#223B76 #762265 #765D22 #227633

square

#223B76 #762265 #765D22 #227633

split-complementary

#223B76 #763322 #657622

monochromatic

#070C18 #142346 #223B76 #3053A6 #486FCA

Accessibility & contrast

On white

10.74

#223B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#223B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B76

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B76	#FFFFFF	#000000	##FFFFFF
##223B76	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4278

Deuteranopia (green-blind)

#073A75

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223b76;
/* rgb */ color: rgb(34, 59, 118);
/* oklch */ color: oklch(36.7% 0.106 264.5);

Tailwind

colors: {
  custom: {
    50: '#68709e',
    500: '#223b76',
    950: '#000000',
  },
}

SCSS

$custom: #223b76;
$custom-light: #68709e;
$custom-dark: #000000;

JSON

{
  "hex": "#223b76",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 222.143,
    "s": 55.263,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36693,
    "c": 0.10576,
    "h": 264.5
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#223B76

secondary

#A98D4B

accent

#B249DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223B76

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

Preview Lab → · Contrast checker → · Palette generator →