#1C5587#1C5587

#1C5587 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.101 H 248.9°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C5587
RGB	rgb(28, 85, 135)
HSL	hsl(208, 66%, 32%)
HSV	hsv(208, 79%, 53%)
CMYK	cmyk(79.3%, 37%, 0%, 47.1%)
CIE-LAB	lab(34.99, 0.25, -33.12)
CIE-LCH	lch(34.99, 33.12, 270.43°)
OKLab	oklab(43.88% -0.0363 -0.0943)
OKLCH	oklch(43.88% 0.101 248.9)
XYZ	xyz(8.0989, 8.4922, 24.1293)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5587 #874E1C

analogous

#1C8784 #1C5587 #1C2087

triadic

#1C5587 #871C55 #55871C

tetradic

#1C5587 #841C87 #874E1C #20871C

square

#1C5587 #841C87 #874E1C #20871C

split-complementary

#1C5587 #871C20 #87841C

monochromatic

#071522 #113554 #1C5587 #2775BA #4594D8

Accessibility & contrast

On white

7.78

#1C5587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C5587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5587

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5587	#FFFFFF	#000000	##FFFFFF
##1C5587	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5889

Deuteranopia (green-blind)

#2E4E86

Tritanopia (blue-blind)

#006167

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c5587;
/* rgb */ color: rgb(28, 85, 135);
/* oklch */ color: oklch(43.9% 0.101 248.9);

Tailwind

colors: {
  custom: {
    50: '#6984aa',
    500: '#1c5587',
    950: '#000000',
  },
}

SCSS

$custom: #1c5587;
$custom-light: #6984aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5587",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 135
  },
  "hsl": {
    "h": 208.037,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43881,
    "c": 0.10104,
    "h": 248.9
  },
  "luminance": 0.08493
}

Semantic roles & 50–950 ramp

primary

#1C5587

secondary

#BA7C45

accent

#8E3FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C5587

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

Preview Lab → · Contrast checker → · Palette generator →