#1C7588#1C7588

#1C7588 is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.1% C 0.084 H 215.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C7588
RGB	rgb(28, 117, 136)
HSL	hsl(191, 66%, 32%)
HSV	hsv(191, 79%, 53%)
CMYK	cmyk(79.4%, 14%, 0%, 46.7%)
CIE-LAB	lab(45.28, -18.43, -17.68)
CIE-LCH	lch(45.28, 25.54, 223.82°)
OKLab	oklab(52.1% -0.0682 -0.0494)
OKLCH	oklch(52.1% 0.084 215.9)
XYZ	xyz(11.2822, 14.7456, 25.5394)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C7588 #882F1C

analogous

#1C8865 #1C7588 #1C3F88

triadic

#1C7588 #881C75 #75881C

tetradic

#1C7588 #651C88 #882F1C #3F881C

square

#1C7588 #651C88 #882F1C #3F881C

split-complementary

#1C7588 #881C3F #88651C

monochromatic

#071E22 #124955 #1C7588 #26A1BB #46BFD9

Accessibility & contrast

On white

5.32

#1C7588 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#1C7588 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C7588

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C7588	#FFFFFF	#000000	##FFFFFF
##1C7588	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687189

Deuteranopia (green-blind)

#5A6788

Tritanopia (blue-blind)

#007C7B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1c7588;
/* rgb */ color: rgb(28, 117, 136);
/* oklch */ color: oklch(52.1% 0.084 215.9);

Tailwind

colors: {
  custom: {
    50: '#6b9daa',
    500: '#1c7588',
    950: '#000000',
  },
}

SCSS

$custom: #1c7588;
$custom-light: #6b9daa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c7588",
  "rgb": {
    "r": 28,
    "g": 117,
    "b": 136
  },
  "hsl": {
    "h": 190.556,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52096,
    "c": 0.08423,
    "h": 215.9
  },
  "luminance": 0.14747
}

Semantic roles & 50–950 ramp

primary

#1C7588

secondary

#BA5A45

accent

#5D3FE9

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1C7588

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

Preview Lab → · Contrast checker → · Palette generator →