#233A85#233A85

#233A85 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.129 H 267.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#233A85
RGB	rgb(35, 58, 133)
HSL	hsl(226, 58%, 33%)
HSV	hsv(226, 74%, 52%)
CMYK	cmyk(73.7%, 56.4%, 0%, 47.8%)
CIE-LAB	lab(26.95, 18.69, -44.76)
CIE-LCH	lch(26.95, 48.50, 292.66°)
OKLab	oklab(37.72% -0.0066 -0.1289)
OKLCH	oklch(37.72% 0.129 267.1)
XYZ	xyz(6.4384, 5.0762, 22.8263)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A85 #856E23

analogous

#236B85 #233A85 #3D2385

triadic

#233A85 #85233A #3A8523

tetradic

#233A85 #85236B #856E23 #23853D

square

#233A85 #85236B #856E23 #23853D

split-complementary

#233A85 #853D23 #6B8523

monochromatic

#091024 #162555 #233A85 #304FB5 #516FD1

Accessibility & contrast

On white

10.42

#233A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#233A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A85

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A85	#FFFFFF	#000000	##FFFFFF
##233A85	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004488

Deuteranopia (green-blind)

#003B84

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233a85;
/* rgb */ color: rgb(35, 58, 133);
/* oklch */ color: oklch(37.7% 0.129 267.1);

Tailwind

colors: {
  custom: {
    50: '#6c6fa9',
    500: '#233a85',
    950: '#000000',
  },
}

SCSS

$custom: #233a85;
$custom-light: #6c6fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#233a85",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 133
  },
  "hsl": {
    "h": 225.918,
    "s": 58.333,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37717,
    "c": 0.12905,
    "h": 267.1
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#233A85

secondary

#B59D4F

accent

#BD46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233A85

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

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