#1988B4#1988B4

#1988B4 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	#1988B4
RGB	rgb(25, 136, 180)
HSL	hsl(197, 76%, 40%)
HSV	hsv(197, 86%, 71%)
CMYK	cmyk(86.1%, 24.4%, 0%, 29.4%)
CIE-LAB	lab(53.07, -13.58, -31.34)
CIE-LCH	lch(53.07, 34.16, 246.57°)
OKLab	oklab(58.94% -0.0705 -0.0884)
OKLCH	oklch(58.94% 0.113 231.4)
XYZ	xyz(17.4399, 21.1080, 46.3262)
Luminance	0.2111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1988B4 #B44519

analogous

#19B492 #1988B4 #193BB4

triadic

#1988B4 #B41988 #88B419

tetradic

#1988B4 #9219B4 #B44519 #3BB419

square

#1988B4 #9219B4 #B44519 #3BB419

split-complementary

#1988B4 #B4193B #B49219

monochromatic

#0A3749 #125F7E #1988B4 #29ADE1 #5FC2E9

Accessibility & contrast

On white

4.02

#1988B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#1988B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1988B4

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1988B4	#FFFFFF	#000000	##000000
##1988B4	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: #1988b4;
/* rgb */ color: rgb(25, 136, 180);
/* oklch */ color: oklch(58.9% 0.113 231.4);

Tailwind

colors: {
  custom: {
    50: '#74aaca',
    500: '#1988b4',
    950: '#000000',
  },
}

SCSS

$custom: #1988b4;
$custom-light: #74aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#1988b4",
  "rgb": {
    "r": 25,
    "g": 136,
    "b": 180
  },
  "hsl": {
    "h": 197.032,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58937,
    "c": 0.11309,
    "h": 231.4
  },
  "luminance": 0.2111
}

Semantic roles & 50–950 ramp

primary

#1988B4

secondary

#CD7C5C

accent

#6B36F2

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1988B4

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

Preview Lab → · Contrast checker → · Palette generator →