#189AB4#189AB4

#189AB4 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.108 H 216.1°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#189AB4
RGB	rgb(24, 154, 180)
HSL	hsl(190, 76%, 40%)
HSV	hsv(190, 87%, 71%)
CMYK	cmyk(86.7%, 14.4%, 0%, 29.4%)
CIE-LAB	lab(58.60, -23.33, -22.79)
CIE-LCH	lch(58.60, 32.62, 224.32°)
OKLab	oklab(63.38% -0.0874 -0.0637)
OKLCH	oklch(63.38% 0.108 216.1)
XYZ	xyz(20.1669, 26.5981, 47.2422)
Luminance	0.2660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#189AB4 #B43218

analogous

#18B480 #189AB4 #184CB4

triadic

#189AB4 #B4189A #9AB418

tetradic

#189AB4 #8018B4 #B43218 #4CB418

square

#189AB4 #8018B4 #B43218 #4CB418

split-complementary

#189AB4 #B4184C #B48018

monochromatic

#0A3E48 #116C7E #189AB4 #27C3E2 #5DD2E9

Accessibility & contrast

On white

3.32

#189AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#189AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #189AB4

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##189AB4	#FFFFFF	#000000	##000000
##189AB4	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8895B5

Deuteranopia (green-blind)

#7587B4

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #189ab4;
/* rgb */ color: rgb(24, 154, 180);
/* oklch */ color: oklch(63.4% 0.108 216.1);

Tailwind

colors: {
  custom: {
    50: '#75b8ca',
    500: '#189ab4',
    950: '#000000',
  },
}

SCSS

$custom: #189ab4;
$custom-light: #75b8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#189ab4",
  "rgb": {
    "r": 24,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 190,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.63376,
    "c": 0.10821,
    "h": 216.1
  },
  "luminance": 0.26601
}

Semantic roles & 50–950 ramp

primary

#189AB4

secondary

#CD6E5B

accent

#5435F3

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #189AB4

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

Preview Lab → · Contrast checker → · Palette generator →