#1C587D#1C587D

#1C587D is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.086 H 240.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C587D
RGB	rgb(28, 88, 125)
HSL	hsl(203, 63%, 30%)
HSV	hsv(203, 78%, 49%)
CMYK	cmyk(77.6%, 29.6%, 0%, 51%)
CIE-LAB	lab(35.41, -5.55, -26.31)
CIE-LCH	lch(35.41, 26.89, 258.09°)
OKLab	oklab(44.04% -0.0425 -0.0744)
OKLCH	oklch(44.04% 0.086 240.3)
XYZ	xyz(7.6688, 8.7061, 20.6743)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C587D #7D411C

analogous

#1C7D72 #1C587D #1C277D

triadic

#1C587D #7D1C58 #587D1C

tetradic

#1C587D #721C7D #7D411C #277D1C

square

#1C587D #721C7D #7D411C #277D1C

split-complementary

#1C587D #7D1C27 #7D721C

monochromatic

#061219 #11354B #1C587D #277BAF #3F9BD4

Accessibility & contrast

On white

7.66

#1C587D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1C587D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C587D

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C587D	#FFFFFF	#000000	##FFFFFF
##1C587D	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587F

Deuteranopia (green-blind)

#394F7C

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c587d;
/* rgb */ color: rgb(28, 88, 125);
/* oklch */ color: oklch(44.0% 0.086 240.3);

Tailwind

colors: {
  custom: {
    50: '#6787a3',
    500: '#1c587d',
    950: '#000000',
  },
}

SCSS

$custom: #1c587d;
$custom-light: #6787a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c587d",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 202.887,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.44041,
    "c": 0.08567,
    "h": 240.3
  },
  "luminance": 0.08707
}

Semantic roles & 50–950 ramp

primary

#1C587D

secondary

#B16E44

accent

#8041E6

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C587D

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

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