#1C587C#1C587C

#1C587C is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.084 H 239.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C587C
RGB	rgb(28, 88, 124)
HSL	hsl(203, 63%, 30%)
HSV	hsv(203, 77%, 49%)
CMYK	cmyk(77.4%, 29%, 0%, 51.4%)
CIE-LAB	lab(35.36, -5.93, -25.77)
CIE-LCH	lch(35.36, 26.45, 257.04°)
OKLab	oklab(43.99% -0.0428 -0.0728)
OKLCH	oklch(43.99% 0.084 239.5)
XYZ	xyz(7.6053, 8.6807, 20.3396)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C587C #7C401C

analogous

#1C7C70 #1C587C #1C287C

triadic

#1C587C #7C1C58 #587C1C

tetradic

#1C587C #701C7C #7C401C #287C1C

square

#1C587C #701C7C #7C401C #287C1C

split-complementary

#1C587C #7C1C28 #7C701C

monochromatic

#061219 #11354A #1C587C #277BAE #3F9CD4

Accessibility & contrast

On white

7.67

#1C587C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1C587C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C587C

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C587C	#FFFFFF	#000000	##FFFFFF
##1C587C	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587E

Deuteranopia (green-blind)

#3A4F7B

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c587c;
/* rgb */ color: rgb(28, 88, 124);
/* oklch */ color: oklch(44.0% 0.084 239.5);

Tailwind

colors: {
  custom: {
    50: '#6787a2',
    500: '#1c587c',
    950: '#000000',
  },
}

SCSS

$custom: #1c587c;
$custom-light: #6787a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c587c",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 202.5,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.43985,
    "c": 0.08449,
    "h": 239.5
  },
  "luminance": 0.08682
}

Semantic roles & 50–950 ramp

primary

#1C587C

secondary

#B06C44

accent

#7F42E6

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C587C

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

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