#223C87#223C87

#223C87 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.130 H 266.0°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#223C87
RGB	rgb(34, 60, 135)
HSL	hsl(225, 60%, 33%)
HSV	hsv(225, 75%, 53%)
CMYK	cmyk(74.8%, 55.6%, 0%, 47.1%)
CIE-LAB	lab(27.63, 17.95, -44.91)
CIE-LCH	lch(27.63, 48.36, 291.78°)
OKLab	oklab(38.26% -0.0091 -0.1293)
OKLCH	oklch(38.26% 0.13 266)
XYZ	xyz(6.6472, 5.3204, 23.5936)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223C87 #876D22

analogous

#226E87 #223C87 #3A2287

triadic

#223C87 #87223C #3C8722

tetradic

#223C87 #87226E #876D22 #22873A

square

#223C87 #87226E #876D22 #22873A

split-complementary

#223C87 #873A22 #6E8722

monochromatic

#091125 #162656 #223C87 #2E52B8 #5072D3

Accessibility & contrast

On white

10.17

#223C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#223C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223C87

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223C87	#FFFFFF	#000000	##FFFFFF
##223C87	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01468A

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223c87;
/* rgb */ color: rgb(34, 60, 135);
/* oklch */ color: oklch(38.3% 0.130 266.0);

Tailwind

colors: {
  custom: {
    50: '#6c71ab',
    500: '#223c87',
    950: '#000000',
  },
}

SCSS

$custom: #223c87;
$custom-light: #6c71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223c87",
  "rgb": {
    "r": 34,
    "g": 60,
    "b": 135
  },
  "hsl": {
    "h": 224.554,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38264,
    "c": 0.12962,
    "h": 266
  },
  "luminance": 0.05321
}

Semantic roles & 50–950 ramp

primary

#223C87

secondary

#B79C4E

accent

#BA45E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223C87

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

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