#233B45#233B45

#233B45 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.035 H 226.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#233B45
RGB	rgb(35, 59, 69)
HSL	hsl(198, 33%, 20%)
HSV	hsv(198, 49%, 27%)
CMYK	cmyk(49.3%, 14.5%, 0%, 72.9%)
CIE-LAB	lab(23.39, -6.15, -9.07)
CIE-LCH	lch(23.39, 10.96, 235.87°)
OKLab	oklab(33.71% -0.0239 -0.025)
OKLCH	oklch(33.71% 0.035 226.3)
XYZ	xyz(3.3309, 3.9147, 6.2092)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B45 #452D23

analogous

#23453E #233B45 #232A45

triadic

#233B45 #45233B #3B4523

tetradic

#233B45 #3E2345 #452D23 #2A4523

square

#233B45 #3E2345 #452D23 #2A4523

split-complementary

#233B45 #45232A #453E23

monochromatic

#0A1114 #0E181C #233B45 #385E6E #4C8096

Accessibility & contrast

On white

11.78

#233B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#233B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B45

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B45	#FFFFFF	#000000	##FFFFFF
##233B45	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363A46

Deuteranopia (green-blind)

#313645

Tritanopia (blue-blind)

#143E3E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233b45;
/* rgb */ color: rgb(35, 59, 69);
/* oklch */ color: oklch(33.7% 0.035 226.3);

Tailwind

colors: {
  custom: {
    50: '#607078',
    500: '#233b45',
    950: '#000000',
  },
}

SCSS

$custom: #233b45;
$custom-light: #607078;
$custom-dark: #000000;

JSON

{
  "hex": "#233b45",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 197.647,
    "s": 32.692,
    "l": 20.392
  },
  "oklch": {
    "l": 0.33708,
    "c": 0.03464,
    "h": 226.3
  },
  "luminance": 0.03915
}

Semantic roles & 50–950 ramp

primary

#233B45

secondary

#78594B

accent

#7E5FC9

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#050709

muted

#797A7B

Preview Lab

Preview with #233B45

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

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