#1888B4#1888B4

#1888B4 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 58.9% C 0.113 H 231.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#1888B4
RGB	rgb(24, 136, 180)
HSL	hsl(197, 76%, 40%)
HSV	hsv(197, 87%, 71%)
CMYK	cmyk(86.7%, 24.4%, 0%, 29.4%)
CIE-LAB	lab(53.05, -13.66, -31.36)
CIE-LCH	lch(53.05, 34.21, 246.47°)
OKLab	oklab(58.92% -0.0708 -0.0885)
OKLCH	oklch(58.92% 0.113 231.4)
XYZ	xyz(17.4157, 21.0955, 46.3251)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1888B4 #B44418

analogous

#18B492 #1888B4 #183AB4

triadic

#1888B4 #B41888 #88B418

tetradic

#1888B4 #9218B4 #B44418 #3AB418

square

#1888B4 #9218B4 #B44418 #3AB418

split-complementary

#1888B4 #B4183A #B49218

monochromatic

#0A3648 #115F7E #1888B4 #27ADE2 #5DC2E9

Accessibility & contrast

On white

4.02

#1888B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#1888B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1888B4

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1888B4	#FFFFFF	#000000	##000000
##1888B4	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	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: #1888b4;
/* rgb */ color: rgb(24, 136, 180);
/* oklch */ color: oklch(58.9% 0.113 231.4);

Tailwind

colors: {
  custom: {
    50: '#74aaca',
    500: '#1888b4',
    950: '#000000',
  },
}

SCSS

$custom: #1888b4;
$custom-light: #74aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#1888b4",
  "rgb": {
    "r": 24,
    "g": 136,
    "b": 180
  },
  "hsl": {
    "h": 196.923,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.58922,
    "c": 0.11331,
    "h": 231.4
  },
  "luminance": 0.21098
}

Semantic roles & 50–950 ramp

primary

#1888B4

secondary

#CD7B5B

accent

#6A35F3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1888B4

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

Preview Lab → · Contrast checker → · Palette generator →