#233A82#233A82

#233A82 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.125 H 266.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#233A82
RGB	rgb(35, 58, 130)
HSL	hsl(225, 58%, 32%)
HSV	hsv(225, 73%, 51%)
CMYK	cmyk(73.1%, 55.4%, 0%, 49%)
CIE-LAB	lab(26.72, 17.51, -43.26)
CIE-LCH	lch(26.72, 46.67, 292.03°)
OKLab	oklab(37.47% -0.0068 -0.1245)
OKLCH	oklch(37.47% 0.125 266.9)
XYZ	xyz(6.2341, 4.9945, 21.7503)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A82 #826B23

analogous

#236982 #233A82 #3C2382

triadic

#233A82 #82233A #3A8223

tetradic

#233A82 #822369 #826B23 #23823C

square

#233A82 #822369 #826B23 #23823C

split-complementary

#233A82 #823C23 #698223

monochromatic

#090F22 #162452 #233A82 #3050B2 #506FD0

Accessibility & contrast

On white

10.51

#233A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#233A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A82

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A82	#FFFFFF	#000000	##FFFFFF
##233A82	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044485

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233a82;
/* rgb */ color: rgb(35, 58, 130);
/* oklch */ color: oklch(37.5% 0.125 266.9);

Tailwind

colors: {
  custom: {
    50: '#6b6fa7',
    500: '#233a82',
    950: '#000000',
  },
}

SCSS

$custom: #233a82;
$custom-light: #6b6fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#233a82",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 130
  },
  "hsl": {
    "h": 225.474,
    "s": 57.576,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37468,
    "c": 0.12466,
    "h": 266.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary

#233A82

secondary

#B39B4D

accent

#BC47E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233A82

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

Preview Lab → · Contrast checker → · Palette generator →