#23557C#23557C

#23557C is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.5% C 0.084 H 245.1°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#23557C
RGB	rgb(35, 85, 124)
HSL	hsl(206, 56%, 31%)
HSV	hsv(206, 72%, 49%)
CMYK	cmyk(71.8%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(34.62, -2.98, -26.93)
CIE-LCH	lch(34.62, 27.09, 263.69°)
OKLab	oklab(43.46% -0.0353 -0.0761)
OKLCH	oklch(43.46% 0.084 245.1)
XYZ	xyz(7.5783, 8.3087, 20.2692)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23557C #7C4A23

analogous

#237C76 #23557C #23287C

triadic

#23557C #7C2355 #557C23

tetradic

#23557C #76237C #7C4A23 #287C23

square

#23557C #76237C #7C4A23 #287C23

split-complementary

#23557C #7C2328 #7C7623

monochromatic

#08141D #16344C #23557C #3076AC #4D95CD

Accessibility & contrast

On white

7.89

#23557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#23557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23557C

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23557C	#FFFFFF	#000000	##FFFFFF
##23557C	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43567E

Deuteranopia (green-blind)

#374E7B

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #23557c;
/* rgb */ color: rgb(35, 85, 124);
/* oklch */ color: oklch(43.5% 0.084 245.1);

Tailwind

colors: {
  custom: {
    50: '#6984a2',
    500: '#23557c',
    950: '#000000',
  },
}

SCSS

$custom: #23557c;
$custom-light: #6984a2;
$custom-dark: #000000;

JSON

{
  "hex": "#23557c",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 206.292,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.43459,
    "c": 0.08392,
    "h": 245.1
  },
  "luminance": 0.0831
}

Semantic roles & 50–950 ramp

primary

#23557C

secondary

#AF774C

accent

#8B49DF

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #23557C

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

Preview Lab → · Contrast checker → · Palette generator →