#234D83#234D83

#234D83 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.102 H 255.9°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#234D83
RGB	rgb(35, 77, 131)
HSL	hsl(214, 58%, 33%)
HSV	hsv(214, 73%, 51%)
CMYK	cmyk(73.3%, 41.2%, 0%, 48.6%)
CIE-LAB	lab(32.49, 4.91, -34.62)
CIE-LCH	lch(32.49, 34.97, 278.07°)
OKLab	oklab(41.92% -0.0249 -0.0987)
OKLCH	oklch(41.92% 0.102 255.9)
XYZ	xyz(7.4422, 7.3030, 22.4857)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D83 #835923

analogous

#237D83 #234D83 #292383

triadic

#234D83 #83234D #4D8323

tetradic

#234D83 #83237D #835923 #238329

square

#234D83 #83237D #835923 #238329

split-complementary

#234D83 #832923 #7D8323

monochromatic

#091422 #163153 #234D83 #3069B3 #5088D0

Accessibility & contrast

On white

8.53

#234D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#234D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D83

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D83	#FFFFFF	#000000	##FFFFFF
##234D83	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345185

Deuteranopia (green-blind)

#254882

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #234d83;
/* rgb */ color: rgb(35, 77, 131);
/* oklch */ color: oklch(41.9% 0.102 255.9);

Tailwind

colors: {
  custom: {
    50: '#6b7ea7',
    500: '#234d83',
    950: '#000000',
  },
}

SCSS

$custom: #234d83;
$custom-light: #6b7ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#234d83",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 131
  },
  "hsl": {
    "h": 213.75,
    "s": 57.831,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41916,
    "c": 0.10182,
    "h": 255.9
  },
  "luminance": 0.07304
}

Semantic roles & 50–950 ramp

primary

#234D83

secondary

#B4874E

accent

#9E47E1

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #234D83

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

Preview Lab → · Contrast checker → · Palette generator →