#233F82#233F82

#233F82 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.118 H 264.5°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#233F82
RGB	rgb(35, 63, 130)
HSL	hsl(222, 58%, 32%)
HSV	hsv(222, 73%, 51%)
CMYK	cmyk(73.1%, 51.5%, 0%, 49%)
CIE-LAB	lab(28.18, 14.04, -40.90)
CIE-LCH	lch(28.18, 43.25, 288.94°)
OKLab	oklab(38.57% -0.0114 -0.1175)
OKLCH	oklch(38.57% 0.118 264.5)
XYZ	xyz(6.4985, 5.5234, 21.8384)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F82 #826623

analogous

#236E82 #233F82 #372382

triadic

#233F82 #82233F #3F8223

tetradic

#233F82 #82236E #826623 #238237

square

#233F82 #82236E #826623 #238237

split-complementary

#233F82 #823723 #6E8223

monochromatic

#091022 #162852 #233F82 #3056B2 #5075D0

Accessibility & contrast

On white

9.98

#233F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#233F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F82

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F82	#FFFFFF	#000000	##FFFFFF
##233F82	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184784

Deuteranopia (green-blind)

#003E81

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233f82;
/* rgb */ color: rgb(35, 63, 130);
/* oklch */ color: oklch(38.6% 0.118 264.5);

Tailwind

colors: {
  custom: {
    50: '#6b73a7',
    500: '#233f82',
    950: '#000000',
  },
}

SCSS

$custom: #233f82;
$custom-light: #6b73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#233f82",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 130
  },
  "hsl": {
    "h": 222.316,
    "s": 57.576,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38574,
    "c": 0.11801,
    "h": 264.5
  },
  "luminance": 0.05524
}

Semantic roles & 50–950 ramp

primary

#233F82

secondary

#B3954D

accent

#B347E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #233F82

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

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