#233C55#233C55

#233C55 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.054 H 249.6°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#233C55
RGB	rgb(35, 60, 85)
HSL	hsl(210, 42%, 24%)
HSV	hsv(210, 59%, 33%)
CMYK	cmyk(58.8%, 29.4%, 0%, 66.7%)
CIE-LAB	lab(24.46, -1.25, -18.01)
CIE-LCH	lch(24.46, 18.05, 266.02°)
OKLab	oklab(34.8% -0.0188 -0.0505)
OKLCH	oklch(34.8% 0.054 249.6)
XYZ	xyz(3.9481, 4.2446, 9.2038)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C55 #553C23

analogous

#235555 #233C55 #232355

triadic

#233C55 #55233C #3C5523

tetradic

#233C55 #552355 #553C23 #235523

square

#233C55 #552355 #553C23 #235523

split-complementary

#233C55 #552323 #555523

monochromatic

#090F16 #111D2A #233C55 #355B80 #4779AC

Accessibility & contrast

On white

11.36

#233C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#233C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C55

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C55	#FFFFFF	#000000	##FFFFFF
##233C55	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D56

Deuteranopia (green-blind)

#2B3855

Tritanopia (blue-blind)

#054245

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233c55;
/* rgb */ color: rgb(35, 60, 85);
/* oklch */ color: oklch(34.8% 0.054 249.6);

Tailwind

colors: {
  custom: {
    50: '#627185',
    500: '#233c55',
    950: '#000000',
  },
}

SCSS

$custom: #233c55;
$custom-light: #627185;
$custom-dark: #000000;

JSON

{
  "hex": "#233c55",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 85
  },
  "hsl": {
    "h": 210,
    "s": 41.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34803,
    "c": 0.05388,
    "h": 249.6
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#233C55

secondary

#896A4B

accent

#9456D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233C55

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

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