#198DA8#198DA8

#198DA8 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.102 H 218.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#198DA8
RGB	rgb(25, 141, 168)
HSL	hsl(191, 74%, 38%)
HSV	hsv(191, 85%, 66%)
CMYK	cmyk(85.1%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(54.11, -20.55, -22.84)
CIE-LCH	lch(54.11, 30.72, 228.01°)
OKLab	oklab(59.61% -0.0797 -0.064)
OKLCH	oklch(59.61% 0.102 218.7)
XYZ	xyz(16.9906, 22.0814, 40.4048)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#198DA8 #A83419

analogous

#19A87C #198DA8 #1945A8

triadic

#198DA8 #A8198D #8DA819

tetradic

#198DA8 #7C19A8 #A83419 #45A819

square

#198DA8 #7C19A8 #A83419 #45A819

split-complementary

#198DA8 #A81945 #A87C19

monochromatic

#09343D #116073 #198DA8 #21BADD #56CBE6

Accessibility & contrast

On white

3.88

#198DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#198DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #198DA8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##198DA8	#FFFFFF	#000000	##000000
##198DA8	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A9

Deuteranopia (green-blind)

#6A7CA8

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #198da8;
/* rgb */ color: rgb(25, 141, 168);
/* oklch */ color: oklch(59.6% 0.102 218.7);

Tailwind

colors: {
  custom: {
    50: '#72aec2',
    500: '#198da8',
    950: '#000000',
  },
}

SCSS

$custom: #198da8;
$custom-light: #72aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#198da8",
  "rgb": {
    "r": 25,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 191.329,
    "s": 74.093,
    "l": 37.843
  },
  "oklch": {
    "l": 0.5961,
    "c": 0.10222,
    "h": 218.7
  },
  "luminance": 0.22084
}

Semantic roles & 50–950 ramp

primary

#198DA8

secondary

#C96A54

accent

#5A37F1

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #198DA8

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

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