#233E55#233E55

#233E55 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.052 H 245.7°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#233E55
RGB	rgb(35, 62, 85)
HSL	hsl(208, 42%, 24%)
HSV	hsv(208, 59%, 33%)
CMYK	cmyk(58.8%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(25.13, -2.58, -16.97)
CIE-LCH	lch(25.13, 17.17, 261.35°)
OKLab	oklab(35.33% -0.0214 -0.0475)
OKLCH	oklch(35.33% 0.052 245.7)
XYZ	xyz(4.0549, 4.4581, 9.2394)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E55 #553A23

analogous

#235553 #233E55 #232555

triadic

#233E55 #55233E #3E5523

tetradic

#233E55 #532355 #553A23 #255523

square

#233E55 #532355 #553A23 #255523

split-complementary

#233E55 #552325 #555323

monochromatic

#091016 #111E2A #233E55 #355E80 #477DAC

Accessibility & contrast

On white

11.10

#233E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E55

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E55	#FFFFFF	#000000	##FFFFFF
##233E55	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E56

Deuteranopia (green-blind)

#2E3955

Tritanopia (blue-blind)

#044346

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233e55;
/* rgb */ color: rgb(35, 62, 85);
/* oklch */ color: oklch(35.3% 0.052 245.7);

Tailwind

colors: {
  custom: {
    50: '#627385',
    500: '#233e55',
    950: '#000000',
  },
}

SCSS

$custom: #233e55;
$custom-light: #627385;
$custom-dark: #000000;

JSON

{
  "hex": "#233e55",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 207.6,
    "s": 41.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35329,
    "c": 0.05213,
    "h": 245.7
  },
  "luminance": 0.04458
}

Semantic roles & 50–950 ramp

primary

#233E55

secondary

#89674B

accent

#8F56D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #233E55

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

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