#233B82#233B82

#233B82 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.123 H 266.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#233B82
RGB	rgb(35, 59, 130)
HSL	hsl(225, 58%, 32%)
HSV	hsv(225, 73%, 51%)
CMYK	cmyk(73.1%, 54.6%, 0%, 49%)
CIE-LAB	lab(27.01, 16.81, -42.79)
CIE-LCH	lch(27.01, 45.98, 291.45°)
OKLab	oklab(37.69% -0.0077 -0.1231)
OKLCH	oklch(37.69% 0.123 266.4)
XYZ	xyz(6.2850, 5.0963, 21.7672)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B82 #826A23

analogous

#236B82 #233B82 #3A2382

triadic

#233B82 #82233B #3B8223

tetradic

#233B82 #82236B #826A23 #23823A

square

#233B82 #82236B #826A23 #23823A

split-complementary

#233B82 #823A23 #6B8223

monochromatic

#090F22 #162552 #233B82 #3051B2 #5070D0

Accessibility & contrast

On white

10.40

#233B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#233B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B82

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B82	#FFFFFF	#000000	##FFFFFF
##233B82	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094485

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233b82;
/* rgb */ color: rgb(35, 59, 130);
/* oklch */ color: oklch(37.7% 0.123 266.4);

Tailwind

colors: {
  custom: {
    50: '#6b70a7',
    500: '#233b82',
    950: '#000000',
  },
}

SCSS

$custom: #233b82;
$custom-light: #6b70a7;
$custom-dark: #000000;

JSON

{
  "hex": "#233b82",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 130
  },
  "hsl": {
    "h": 224.842,
    "s": 57.576,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37686,
    "c": 0.12332,
    "h": 266.4
  },
  "luminance": 0.05097
}

Semantic roles & 50–950 ramp

primary

#233B82

secondary

#B39A4D

accent

#BA47E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233B82

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

Preview Lab → · Contrast checker → · Palette generator →