#234F83#234F83

#234F83 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.100 H 254.3°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#234F83
RGB	rgb(35, 79, 131)
HSL	hsl(213, 58%, 33%)
HSV	hsv(213, 73%, 51%)
CMYK	cmyk(73.3%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(33.11, 3.59, -33.63)
CIE-LCH	lch(33.11, 33.82, 276.09°)
OKLab	oklab(42.4% -0.0269 -0.0958)
OKLCH	oklch(42.4% 0.1 254.3)
XYZ	xyz(7.5843, 7.5872, 22.5331)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F83 #835723

analogous

#237F83 #234F83 #272383

triadic

#234F83 #83234F #4F8323

tetradic

#234F83 #83237F #835723 #238327

square

#234F83 #83237F #835723 #238327

split-complementary

#234F83 #832723 #7F8323

monochromatic

#091522 #163253 #234F83 #306CB3 #508BD0

Accessibility & contrast

On white

8.34

#234F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#234F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F83

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F83	#FFFFFF	#000000	##FFFFFF
##234F83	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375385

Deuteranopia (green-blind)

#294A82

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234f83;
/* rgb */ color: rgb(35, 79, 131);
/* oklch */ color: oklch(42.4% 0.100 254.3);

Tailwind

colors: {
  custom: {
    50: '#6b7fa7',
    500: '#234f83',
    950: '#000000',
  },
}

SCSS

$custom: #234f83;
$custom-light: #6b7fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#234f83",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 212.5,
    "s": 57.831,
    "l": 32.549
  },
  "oklch": {
    "l": 0.424,
    "c": 0.09951,
    "h": 254.3
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#234F83

secondary

#B4854E

accent

#9A47E1

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #234F83

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

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