#223F87#223F87

#223F87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.126 H 264.7°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#223F87
RGB	rgb(34, 63, 135)
HSL	hsl(223, 60%, 33%)
HSV	hsv(223, 75%, 53%)
CMYK	cmyk(74.8%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(28.49, 15.87, -43.50)
CIE-LCH	lch(28.49, 46.31, 290.04°)
OKLab	oklab(38.92% -0.0117 -0.1251)
OKLCH	oklch(38.92% 0.126 264.7)
XYZ	xyz(6.8088, 5.6436, 23.6475)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223F87 #876A22

analogous

#227187 #223F87 #372287

triadic

#223F87 #87223F #3F8722

tetradic

#223F87 #872271 #876A22 #228737

square

#223F87 #872271 #876A22 #228737

split-complementary

#223F87 #873722 #718722

monochromatic

#091125 #162856 #223F87 #2E56B8 #5076D3

Accessibility & contrast

On white

9.86

#223F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#223F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223F87

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223F87	#FFFFFF	#000000	##FFFFFF
##223F87	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #223f87;
/* rgb */ color: rgb(34, 63, 135);
/* oklch */ color: oklch(38.9% 0.126 264.7);

Tailwind

colors: {
  custom: {
    50: '#6c73aa',
    500: '#223f87',
    950: '#000000',
  },
}

SCSS

$custom: #223f87;
$custom-light: #6c73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#223f87",
  "rgb": {
    "r": 34,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 222.772,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3892,
    "c": 0.12566,
    "h": 264.7
  },
  "luminance": 0.05644
}

Semantic roles & 50–950 ramp

primary

#223F87

secondary

#B7994E

accent

#B645E3

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #223F87

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

Preview Lab → · Contrast checker → · Palette generator →