#223B77#223B77

#223B77 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.107 H 264.7°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#223B77
RGB	rgb(34, 59, 119)
HSL	hsl(222, 56%, 30%)
HSV	hsv(222, 71%, 47%)
CMYK	cmyk(71.4%, 50.4%, 0%, 53.3%)
CIE-LAB	lab(26.16, 12.30, -37.25)
CIE-LCH	lch(26.16, 39.23, 288.27°)
OKLab	oklab(36.77% -0.01 -0.1068)
OKLCH	oklch(36.77% 0.107 264.7)
XYZ	xyz(5.5523, 4.7994, 18.0829)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B77 #775E22

analogous

#226677 #223B77 #332277

triadic

#223B77 #77223B #3B7722

tetradic

#223B77 #772266 #775E22 #227733

square

#223B77 #772266 #775E22 #227733

split-complementary

#223B77 #773322 #667722

monochromatic

#070C18 #142347 #223B77 #3053A7 #496FCB

Accessibility & contrast

On white

10.71

#223B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#223B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B77

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B77	#FFFFFF	#000000	##FFFFFF
##223B77	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4279

Deuteranopia (green-blind)

#053A76

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #223b77;
/* rgb */ color: rgb(34, 59, 119);
/* oklch */ color: oklch(36.8% 0.107 264.7);

Tailwind

colors: {
  custom: {
    50: '#68709f',
    500: '#223b77',
    950: '#000000',
  },
}

SCSS

$custom: #223b77;
$custom-light: #68709f;
$custom-dark: #000000;

JSON

{
  "hex": "#223b77",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 119
  },
  "hsl": {
    "h": 222.353,
    "s": 55.556,
    "l": 30
  },
  "oklch": {
    "l": 0.36769,
    "c": 0.10727,
    "h": 264.7
  },
  "luminance": 0.048
}

Semantic roles & 50–950 ramp

primary

#223B77

secondary

#AA8E4B

accent

#B349DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223B77

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

Preview Lab → · Contrast checker → · Palette generator →