#23558B#23558B

#23558B is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.4% C 0.104 H 252.7°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#23558B
RGB	rgb(35, 85, 139)
HSL	hsl(211, 60%, 34%)
HSV	hsv(211, 75%, 55%)
CMYK	cmyk(74.8%, 38.8%, 0%, 45.5%)
CIE-LAB	lab(35.43, 2.77, -34.84)
CIE-LCH	lch(35.43, 34.95, 274.55°)
OKLab	oklab(44.37% -0.0309 -0.0992)
OKLCH	oklch(44.37% 0.104 252.7)
XYZ	xyz(8.6001, 8.7174, 25.6505)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23558B #8B5923

analogous

#23898B #23558B #25238B

triadic

#23558B #8B2355 #558B23

tetradic

#23558B #8B2389 #8B5923 #238B25

square

#23558B #8B2389 #8B5923 #238B25

split-complementary

#23558B #8B2523 #898B23

monochromatic

#0A1929 #17375A #23558B #2F73BC #5492D4

Accessibility & contrast

On white

7.65

#23558B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#23558B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23558B

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23558B	#FFFFFF	#000000	##FFFFFF
##23558B	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598D

Deuteranopia (green-blind)

#2C4F8A

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #23558b;
/* rgb */ color: rgb(35, 85, 139);
/* oklch */ color: oklch(44.4% 0.104 252.7);

Tailwind

colors: {
  custom: {
    50: '#6c84ad',
    500: '#23558b',
    950: '#000000',
  },
}

SCSS

$custom: #23558b;
$custom-light: #6c84ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23558b",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 139
  },
  "hsl": {
    "h": 211.154,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.44367,
    "c": 0.10394,
    "h": 252.7
  },
  "luminance": 0.08718
}

Semantic roles & 50–950 ramp

primary

#23558B

secondary

#B88752

accent

#9745E3

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #23558B

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

Preview Lab → · Contrast checker → · Palette generator →