#1C88B4#1C88B4

#1C88B4 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.112 H 231.7°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C88B4
RGB	rgb(28, 136, 180)
HSL	hsl(197, 73%, 41%)
HSV	hsv(197, 84%, 71%)
CMYK	cmyk(84.4%, 24.4%, 0%, 29.4%)
CIE-LAB	lab(53.11, -13.35, -31.27)
CIE-LCH	lch(53.11, 34.00, 246.88°)
OKLab	oklab(58.99% -0.0696 -0.0882)
OKLCH	oklch(58.99% 0.112 231.7)
XYZ	xyz(17.5179, 21.1482, 46.3299)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C88B4 #B4481C

analogous

#1CB494 #1C88B4 #1C3CB4

triadic

#1C88B4 #B41C88 #88B41C

tetradic

#1C88B4 #941CB4 #B4481C #3CB41C

square

#1C88B4 #941CB4 #B4481C #3CB41C

split-complementary

#1C88B4 #B41C3C #B4941C

monochromatic

#0C384A #14607F #1C88B4 #2FACDF #64C1E7

Accessibility & contrast

On white

4.02

#1C88B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#1C88B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C88B4

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C88B4	#FFFFFF	#000000	##000000
##1C88B4	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B6

Deuteranopia (green-blind)

#5E79B3

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #1c88b4;
/* rgb */ color: rgb(28, 136, 180);
/* oklch */ color: oklch(59.0% 0.112 231.7);

Tailwind

colors: {
  custom: {
    50: '#74aaca',
    500: '#1c88b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c88b4;
$custom-light: #74aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#1c88b4",
  "rgb": {
    "r": 28,
    "g": 136,
    "b": 180
  },
  "hsl": {
    "h": 197.368,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.58985,
    "c": 0.11234,
    "h": 231.7
  },
  "luminance": 0.2115
}

Semantic roles & 50–950 ramp

primary

#1C88B4

secondary

#CC7F60

accent

#6D38F0

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1C88B4

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

Preview Lab → · Contrast checker → · Palette generator →