#234F85#234F85

#234F85 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.102 H 255.0°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#234F85
RGB	rgb(35, 79, 133)
HSL	hsl(213, 58%, 33%)
HSV	hsv(213, 74%, 52%)
CMYK	cmyk(73.7%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(33.23, 4.37, -34.68)
CIE-LCH	lch(33.23, 34.95, 277.18°)
OKLab	oklab(42.53% -0.0264 -0.0989)
OKLCH	oklch(42.53% 0.102 255)
XYZ	xyz(7.7212, 7.6419, 23.2539)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F85 #855923

analogous

#238085 #234F85 #282385

triadic

#234F85 #85234F #4F8523

tetradic

#234F85 #852380 #855923 #238528

square

#234F85 #852380 #855923 #238528

split-complementary

#234F85 #852823 #808523

monochromatic

#091524 #163255 #234F85 #306CB5 #518BD1

Accessibility & contrast

On white

8.30

#234F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#234F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F85

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F85	#FFFFFF	#000000	##FFFFFF
##234F85	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365387

Deuteranopia (green-blind)

#274A84

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234f85;
/* rgb */ color: rgb(35, 79, 133);
/* oklch */ color: oklch(42.5% 0.102 255.0);

Tailwind

colors: {
  custom: {
    50: '#6b7fa9',
    500: '#234f85',
    950: '#000000',
  },
}

SCSS

$custom: #234f85;
$custom-light: #6b7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#234f85",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 213.061,
    "s": 58.333,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4253,
    "c": 0.10233,
    "h": 255
  },
  "luminance": 0.07643
}

Semantic roles & 50–950 ramp

primary

#234F85

secondary

#B5874F

accent

#9C46E2

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #234F85

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

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