#23587B#23587B

#23587B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.080 H 241.0°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#23587B
RGB	rgb(35, 88, 123)
HSL	hsl(204, 56%, 31%)
HSV	hsv(204, 72%, 48%)
CMYK	cmyk(71.5%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(35.53, -5.23, -24.88)
CIE-LCH	lch(35.53, 25.42, 258.12°)
OKLab	oklab(44.16% -0.0389 -0.0702)
OKLCH	oklch(44.16% 0.08 241)
XYZ	xyz(7.7566, 8.7660, 20.0183)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23587B #7B4623

analogous

#237B72 #23587B #232C7B

triadic

#23587B #7B2358 #587B23

tetradic

#23587B #72237B #7B4623 #2C7B23

square

#23587B #72237B #7B4623 #2C7B23

split-complementary

#23587B #7B232C #7B7223

monochromatic

#08141C #15364B #23587B #317AAB #4C99CC

Accessibility & contrast

On white

7.63

#23587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#23587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23587B

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23587B	#FFFFFF	#000000	##FFFFFF
##23587B	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48587D

Deuteranopia (green-blind)

#3C507A

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #23587b;
/* rgb */ color: rgb(35, 88, 123);
/* oklch */ color: oklch(44.2% 0.080 241.0);

Tailwind

colors: {
  custom: {
    50: '#6987a1',
    500: '#23587b',
    950: '#000000',
  },
}

SCSS

$custom: #23587b;
$custom-light: #6987a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23587b",
  "rgb": {
    "r": 35,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 203.864,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.44163,
    "c": 0.08024,
    "h": 241
  },
  "luminance": 0.08767
}

Semantic roles & 50–950 ramp

primary

#23587B

secondary

#AE734C

accent

#8549DF

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #23587B

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

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