#1C88A8#1C88A8

#1C88A8 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.4% C 0.102 H 223.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C88A8
RGB	rgb(28, 136, 168)
HSL	hsl(194, 71%, 38%)
HSV	hsv(194, 83%, 66%)
CMYK	cmyk(83.3%, 19%, 0%, 34.1%)
CIE-LAB	lab(52.60, -17.62, -25.17)
CIE-LCH	lch(52.60, 30.72, 235.01°)
OKLab	oklab(58.4% -0.0741 -0.0706)
OKLCH	oklch(58.4% 0.102 223.6)
XYZ	xyz(16.3480, 20.6803, 40.1683)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C88A8 #A83C1C

analogous

#1CA882 #1C88A8 #1C42A8

triadic

#1C88A8 #A81C88 #88A81C

tetradic

#1C88A8 #821CA8 #A83C1C #42A81C

square

#1C88A8 #821CA8 #A83C1C #42A81C

split-complementary

#1C88A8 #A81C42 #A8821C

monochromatic

#0B333F #135E74 #1C88A8 #26B2DB #5BC4E4

Accessibility & contrast

On white

4.09

#1C88A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#1C88A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C88A8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C88A8	#FFFFFF	#000000	##000000
##1C88A8	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7685AA

Deuteranopia (green-blind)

#6478A8

Tritanopia (blue-blind)

#009292

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1c88a8;
/* rgb */ color: rgb(28, 136, 168);
/* oklch */ color: oklch(58.4% 0.102 223.6);

Tailwind

colors: {
  custom: {
    50: '#72aac2',
    500: '#1c88a8',
    950: '#000000',
  },
}

SCSS

$custom: #1c88a8;
$custom-light: #72aac2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c88a8",
  "rgb": {
    "r": 28,
    "g": 136,
    "b": 168
  },
  "hsl": {
    "h": 193.714,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58404,
    "c": 0.10235,
    "h": 223.6
  },
  "luminance": 0.20682
}

Semantic roles & 50–950 ramp

primary

#1C88A8

secondary

#C77258

accent

#633AEE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1C88A8

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

Preview Lab → · Contrast checker → · Palette generator →