#1880B4#1880B4

#1880B4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.118 H 237.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1880B4
RGB	rgb(24, 128, 180)
HSL	hsl(200, 76%, 40%)
HSV	hsv(200, 87%, 71%)
CMYK	cmyk(86.7%, 28.9%, 0%, 29.4%)
CIE-LAB	lab(50.60, -9.10, -35.20)
CIE-LCH	lch(50.60, 36.36, 255.50°)
OKLab	oklab(56.97% -0.0635 -0.0997)
OKLCH	oklch(56.97% 0.118 237.5)
XYZ	xyz(16.3308, 18.9257, 45.9635)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1880B4 #B44C18

analogous

#18B49A #1880B4 #1832B4

triadic

#1880B4 #B41880 #80B418

tetradic

#1880B4 #9A18B4 #B44C18 #32B418

square

#1880B4 #9A18B4 #B44C18 #32B418

split-complementary

#1880B4 #B41832 #B49A18

monochromatic

#0A3348 #115A7E #1880B4 #27A4E2 #5DBBE9

Accessibility & contrast

On white

4.39

#1880B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1880B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1880B4

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1880B4	#FFFFFF	#000000	##000000
##1880B4	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B6

Deuteranopia (green-blind)

#5272B3

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1880b4;
/* rgb */ color: rgb(24, 128, 180);
/* oklch */ color: oklch(57.0% 0.118 237.5);

Tailwind

colors: {
  custom: {
    50: '#73a4ca',
    500: '#1880b4',
    950: '#000000',
  },
}

SCSS

$custom: #1880b4;
$custom-light: #73a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1880b4",
  "rgb": {
    "r": 24,
    "g": 128,
    "b": 180
  },
  "hsl": {
    "h": 200,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.56966,
    "c": 0.11826,
    "h": 237.5
  },
  "luminance": 0.18928
}

Semantic roles & 50–950 ramp

primary

#1880B4

secondary

#CD815B

accent

#7435F3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1880B4

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

Preview Lab → · Contrast checker → · Palette generator →