#233A89#233A89

#233A89 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.135 H 267.3°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#233A89
RGB	rgb(35, 58, 137)
HSL	hsl(226, 59%, 34%)
HSV	hsv(226, 74%, 54%)
CMYK	cmyk(74.5%, 57.7%, 0%, 46.3%)
CIE-LAB	lab(27.27, 20.26, -46.73)
CIE-LCH	lch(27.27, 50.94, 293.44°)
OKLab	oklab(38.05% -0.0063 -0.1347)
OKLCH	oklch(38.05% 0.135 267.3)
XYZ	xyz(6.7200, 5.1889, 24.3095)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A89 #897223

analogous

#236D89 #233A89 #3F2389

triadic

#233A89 #89233A #3A8923

tetradic

#233A89 #89236D #897223 #23893F

square

#233A89 #89236D #897223 #23893F

split-complementary

#233A89 #893F23 #6D8923

monochromatic

#0A1128 #172558 #233A89 #2F4FBA #5370D3

Accessibility & contrast

On white

10.30

#233A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A89

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A89	#FFFFFF	#000000	##FFFFFF
##233A89	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233a89;
/* rgb */ color: rgb(35, 58, 137);
/* oklch */ color: oklch(38.1% 0.135 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d6fac',
    500: '#233a89',
    950: '#000000',
  },
}

SCSS

$custom: #233a89;
$custom-light: #6d6fac;
$custom-dark: #000000;

JSON

{
  "hex": "#233a89",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 137
  },
  "hsl": {
    "h": 226.471,
    "s": 59.302,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38053,
    "c": 0.13484,
    "h": 267.3
  },
  "luminance": 0.0519
}

Semantic roles & 50–950 ramp

primary

#233A89

secondary

#B7A051

accent

#BF45E2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #233A89

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

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