#1C587E#1C587E

#1C587E is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.1% C 0.087 H 241.0°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C587E
RGB	rgb(28, 88, 126)
HSL	hsl(203, 64%, 30%)
HSV	hsv(203, 78%, 49%)
CMYK	cmyk(77.8%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.46, -5.16, -26.85)
CIE-LCH	lch(35.46, 27.34, 259.11°)
OKLab	oklab(44.1% -0.0422 -0.0759)
OKLCH	oklch(44.1% 0.087 241)
XYZ	xyz(7.7330, 8.7318, 21.0125)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C587E #7E421C

analogous

#1C7E73 #1C587E #1C277E

triadic

#1C587E #7E1C58 #587E1C

tetradic

#1C587E #731C7E #7E421C #277E1C

square

#1C587E #731C7E #7E421C #277E1C

split-complementary

#1C587E #7E1C27 #7E731C

monochromatic

#06121A #11354C #1C587E #277BB0 #409BD5

Accessibility & contrast

On white

7.65

#1C587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1C587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C587E

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C587E	#FFFFFF	#000000	##FFFFFF
##1C587E	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465980

Deuteranopia (green-blind)

#394F7D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c587e;
/* rgb */ color: rgb(28, 88, 126);
/* oklch */ color: oklch(44.1% 0.087 241.0);

Tailwind

colors: {
  custom: {
    50: '#6787a3',
    500: '#1c587e',
    950: '#000000',
  },
}

SCSS

$custom: #1c587e;
$custom-light: #6787a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c587e",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 203.265,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44098,
    "c": 0.08686,
    "h": 241
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary

#1C587E

secondary

#B26F44

accent

#8141E7

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C587E

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

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