#233A4E#233A4E

#233A4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.046 H 245.9°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#233A4E
RGB	rgb(35, 58, 78)
HSL	hsl(208, 38%, 22%)
HSV	hsv(208, 55%, 31%)
CMYK	cmyk(55.1%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(23.45, -2.42, -14.96)
CIE-LCH	lch(23.45, 15.16, 260.81°)
OKLab	oklab(33.89% -0.0187 -0.0418)
OKLCH	oklch(33.89% 0.046 245.9)
XYZ	xyz(3.5809, 3.9332, 7.7767)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A4E #4E3723

analogous

#234E4D #233A4E #23254E

triadic

#233A4E #4E233A #3A4E23

tetradic

#233A4E #4D234E #4E3723 #254E23

square

#233A4E #4D234E #4E3723 #254E23

split-complementary

#233A4E #4E2325 #4E4D23

monochromatic

#091015 #101B24 #233A4E #365978 #4979A2

Accessibility & contrast

On white

11.75

#233A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#233A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A4E

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A4E	#FFFFFF	#000000	##FFFFFF
##233A4E	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4F

Deuteranopia (green-blind)

#2C364E

Tritanopia (blue-blind)

#0E3F41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233a4e;
/* rgb */ color: rgb(35, 58, 78);
/* oklch */ color: oklch(33.9% 0.046 245.9);

Tailwind

colors: {
  custom: {
    50: '#61707f',
    500: '#233a4e',
    950: '#000000',
  },
}

SCSS

$custom: #233a4e;
$custom-light: #61707f;
$custom-dark: #000000;

JSON

{
  "hex": "#233a4e",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 207.907,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3389,
    "c": 0.04574,
    "h": 245.9
  },
  "luminance": 0.03933
}

Semantic roles & 50–950 ramp

primary

#233A4E

secondary

#82644B

accent

#905ACE

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #233A4E

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

Preview Lab → · Contrast checker → · Palette generator →