#233A87#233A87

#233A87 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.132 H 267.2°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#233A87
RGB	rgb(35, 58, 135)
HSL	hsl(226, 59%, 33%)
HSV	hsv(226, 74%, 53%)
CMYK	cmyk(74.1%, 57%, 0%, 47.1%)
CIE-LAB	lab(27.11, 19.47, -45.75)
CIE-LCH	lch(27.11, 49.72, 293.06°)
OKLab	oklab(37.88% -0.0065 -0.1318)
OKLCH	oklch(37.88% 0.132 267.2)
XYZ	xyz(6.5778, 5.1320, 23.5609)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A87 #877023

analogous

#236C87 #233A87 #3E2387

triadic

#233A87 #87233A #3A8723

tetradic

#233A87 #87236C #877023 #23873E

square

#233A87 #87236C #877023 #23873E

split-complementary

#233A87 #873E23 #6C8723

monochromatic

#0A1026 #162556 #233A87 #304FB8 #5270D2

Accessibility & contrast

On white

10.36

#233A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#233A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A87

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A87	#FFFFFF	#000000	##FFFFFF
##233A87	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233a87;
/* rgb */ color: rgb(35, 58, 135);
/* oklch */ color: oklch(37.9% 0.132 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c6fab',
    500: '#233a87',
    950: '#000000',
  },
}

SCSS

$custom: #233a87;
$custom-light: #6c6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#233a87",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 226.2,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37884,
    "c": 0.13195,
    "h": 267.2
  },
  "luminance": 0.05133
}

Semantic roles & 50–950 ramp

primary

#233A87

secondary

#B69E50

accent

#BE46E2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #233A87

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

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