#223B87#223B87

#223B87 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.131 H 266.4°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#223B87
RGB	rgb(34, 59, 135)
HSL	hsl(225, 60%, 33%)
HSV	hsv(225, 75%, 53%)
CMYK	cmyk(74.8%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(27.34, 18.64, -45.37)
CIE-LCH	lch(27.34, 49.05, 292.34°)
OKLab	oklab(38.05% -0.0082 -0.1307)
OKLCH	oklch(38.05% 0.131 266.4)
XYZ	xyz(6.5953, 5.2166, 23.5763)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B87 #876E22

analogous

#226D87 #223B87 #3C2287

triadic

#223B87 #87223B #3B8722

tetradic

#223B87 #87226D #876E22 #22873C

square

#223B87 #87226D #876E22 #22873C

split-complementary

#223B87 #873C22 #6D8722

monochromatic

#091025 #162656 #223B87 #2E50B8 #5071D3

Accessibility & contrast

On white

10.28

#223B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#223B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B87

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B87	#FFFFFF	#000000	##FFFFFF
##223B87	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #223b87;
/* rgb */ color: rgb(34, 59, 135);
/* oklch */ color: oklch(38.0% 0.131 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c70ab',
    500: '#223b87',
    950: '#000000',
  },
}

SCSS

$custom: #223b87;
$custom-light: #6c70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#223b87",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 225.149,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38048,
    "c": 0.13094,
    "h": 266.4
  },
  "luminance": 0.05217
}

Semantic roles & 50–950 ramp

primary

#223B87

secondary

#B79D4E

accent

#BC45E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #223B87

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

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