#233D82#233D82

#233D82 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.121 H 265.5°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#233D82
RGB	rgb(35, 61, 130)
HSL	hsl(224, 58%, 32%)
HSV	hsv(224, 73%, 51%)
CMYK	cmyk(73.1%, 53.1%, 0%, 49%)
CIE-LAB	lab(27.59, 15.42, -41.85)
CIE-LCH	lch(27.59, 44.60, 290.23°)
OKLab	oklab(38.13% -0.0095 -0.1203)
OKLCH	oklch(38.13% 0.121 265.5)
XYZ	xyz(6.3897, 5.3059, 21.8022)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D82 #826823

analogous

#236D82 #233D82 #392382

triadic

#233D82 #82233D #3D8223

tetradic

#233D82 #82236D #826823 #238239

square

#233D82 #82236D #826823 #238239

split-complementary

#233D82 #823923 #6D8223

monochromatic

#091022 #162652 #233D82 #3054B2 #5073D0

Accessibility & contrast

On white

10.19

#233D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#233D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D82

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D82	#FFFFFF	#000000	##FFFFFF
##233D82	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124684

Deuteranopia (green-blind)

#003D81

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233d82;
/* rgb */ color: rgb(35, 61, 130);
/* oklch */ color: oklch(38.1% 0.121 265.5);

Tailwind

colors: {
  custom: {
    50: '#6b72a7',
    500: '#233d82',
    950: '#000000',
  },
}

SCSS

$custom: #233d82;
$custom-light: #6b72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#233d82",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 223.579,
    "s": 57.576,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38127,
    "c": 0.12066,
    "h": 265.5
  },
  "luminance": 0.05307
}

Semantic roles & 50–950 ramp

primary

#233D82

secondary

#B3974D

accent

#B747E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233D82

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

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