#233A55#233A55

#233A55 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.3% C 0.056 H 253.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#233A55
RGB	rgb(35, 58, 85)
HSL	hsl(212, 42%, 24%)
HSV	hsv(212, 59%, 33%)
CMYK	cmyk(58.8%, 31.8%, 0%, 66.7%)
CIE-LAB	lab(23.80, 0.09, -19.04)
CIE-LCH	lch(23.80, 19.04, 270.28°)
OKLab	oklab(34.28% -0.0161 -0.0535)
OKLCH	oklch(34.28% 0.056 253.3)
XYZ	xyz(3.8453, 4.0390, 9.1695)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A55 #553E23

analogous

#235355 #233A55 #252355

triadic

#233A55 #55233A #3A5523

tetradic

#233A55 #552353 #553E23 #235525

square

#233A55 #552353 #553E23 #235525

split-complementary

#233A55 #552523 #535523

monochromatic

#090F16 #111C2A #233A55 #355880 #4775AC

Accessibility & contrast

On white

11.62

#233A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#233A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A55

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A55	#FFFFFF	#000000	##FFFFFF
##233A55	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3B56

Deuteranopia (green-blind)

#293654

Tritanopia (blue-blind)

#054043

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #233a55;
/* rgb */ color: rgb(35, 58, 85);
/* oklch */ color: oklch(34.3% 0.056 253.3);

Tailwind

colors: {
  custom: {
    50: '#626f85',
    500: '#233a55',
    950: '#000000',
  },
}

SCSS

$custom: #233a55;
$custom-light: #626f85;
$custom-dark: #000000;

JSON

{
  "hex": "#233a55",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 212.4,
    "s": 41.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34282,
    "c": 0.05587,
    "h": 253.3
  },
  "luminance": 0.04039
}

Semantic roles & 50–950 ramp

primary

#233A55

secondary

#896C4B

accent

#9956D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233A55

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

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