#233E87#233E87

#233E87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.7% C 0.127 H 265.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#233E87
RGB	rgb(35, 62, 135)
HSL	hsl(224, 59%, 33%)
HSV	hsv(224, 74%, 53%)
CMYK	cmyk(74.1%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(28.25, 16.70, -43.90)
CIE-LCH	lch(28.25, 46.97, 290.83°)
OKLab	oklab(38.75% -0.0099 -0.1263)
OKLCH	oklch(38.75% 0.127 265.5)
XYZ	xyz(6.7874, 5.5511, 23.6307)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E87 #876C23

analogous

#237087 #233E87 #3A2387

triadic

#233E87 #87233E #3E8723

tetradic

#233E87 #872370 #876C23 #23873A

square

#233E87 #872370 #876C23 #23873A

split-complementary

#233E87 #873A23 #708723

monochromatic

#0A1126 #162856 #233E87 #3054B8 #5275D2

Accessibility & contrast

On white

9.95

#233E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#233E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E87

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E87	#FFFFFF	#000000	##FFFFFF
##233E87	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C478A

Deuteranopia (green-blind)

#003E86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233e87;
/* rgb */ color: rgb(35, 62, 135);
/* oklch */ color: oklch(38.7% 0.127 265.5);

Tailwind

colors: {
  custom: {
    50: '#6c72aa',
    500: '#233e87',
    950: '#000000',
  },
}

SCSS

$custom: #233e87;
$custom-light: #6c72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#233e87",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 223.8,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38747,
    "c": 0.12667,
    "h": 265.5
  },
  "luminance": 0.05552
}

Semantic roles & 50–950 ramp

primary

#233E87

secondary

#B69A50

accent

#B846E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #233E87

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

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