#188AB4#188AB4

#188AB4 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.4% C 0.112 H 229.7°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#188AB4
RGB	rgb(24, 138, 180)
HSL	hsl(196, 76%, 40%)
HSV	hsv(196, 87%, 71%)
CMYK	cmyk(86.7%, 23.3%, 0%, 29.4%)
CIE-LAB	lab(53.67, -14.77, -30.41)
CIE-LCH	lch(53.67, 33.80, 244.09°)
OKLab	oklab(59.41% -0.0726 -0.0857)
OKLCH	oklch(59.41% 0.112 229.7)
XYZ	xyz(17.7000, 21.6641, 46.4199)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188AB4 #B44218

analogous

#18B490 #188AB4 #183CB4

triadic

#188AB4 #B4188A #8AB418

tetradic

#188AB4 #9018B4 #B44218 #3CB418

square

#188AB4 #9018B4 #B44218 #3CB418

split-complementary

#188AB4 #B4183C #B49018

monochromatic

#0A3748 #11617E #188AB4 #27B0E2 #5DC4E9

Accessibility & contrast

On white

3.94

#188AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#188AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188AB4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188AB4	#FFFFFF	#000000	##000000
##188AB4	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #188ab4;
/* rgb */ color: rgb(24, 138, 180);
/* oklch */ color: oklch(59.4% 0.112 229.7);

Tailwind

colors: {
  custom: {
    50: '#74acca',
    500: '#188ab4',
    950: '#000000',
  },
}

SCSS

$custom: #188ab4;
$custom-light: #74acca;
$custom-dark: #000000;

JSON

{
  "hex": "#188ab4",
  "rgb": {
    "r": 24,
    "g": 138,
    "b": 180
  },
  "hsl": {
    "h": 196.154,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.59414,
    "c": 0.11232,
    "h": 229.7
  },
  "luminance": 0.21666
}

Semantic roles & 50–950 ramp

primary

#188AB4

secondary

#CD795B

accent

#6835F3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #188AB4

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

Preview Lab → · Contrast checker → · Palette generator →