#198DB4#198DB4

#198DB4 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.2% C 0.111 H 227.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#198DB4
RGB	rgb(25, 141, 180)
HSL	hsl(195, 76%, 40%)
HSV	hsv(195, 86%, 71%)
CMYK	cmyk(86.1%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(54.61, -16.35, -28.95)
CIE-LCH	lch(54.61, 33.25, 240.55°)
OKLab	oklab(60.17% -0.0751 -0.0815)
OKLCH	oklch(60.17% 0.111 227.3)
XYZ	xyz(18.1606, 22.5494, 46.5665)
Luminance	0.2255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#198DB4 #B44019

analogous

#19B48E #198DB4 #193FB4

triadic

#198DB4 #B4198D #8DB419

tetradic

#198DB4 #8E19B4 #B44019 #3FB419

square

#198DB4 #8E19B4 #B44019 #3FB419

split-complementary

#198DB4 #B4193F #B48E19

monochromatic

#0A3949 #12637E #198DB4 #29B3E1 #5FC6E9

Accessibility & contrast

On white

3.81

#198DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#198DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #198DB4

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##198DB4	#FFFFFF	#000000	##000000
##198DB4	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB6

Deuteranopia (green-blind)

#647DB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #198db4;
/* rgb */ color: rgb(25, 141, 180);
/* oklch */ color: oklch(60.2% 0.111 227.3);

Tailwind

colors: {
  custom: {
    50: '#74aeca',
    500: '#198db4',
    950: '#000000',
  },
}

SCSS

$custom: #198db4;
$custom-light: #74aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#198db4",
  "rgb": {
    "r": 25,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 195.097,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60168,
    "c": 0.11079,
    "h": 227.3
  },
  "luminance": 0.22552
}

Semantic roles & 50–950 ramp

primary

#198DB4

secondary

#CD785C

accent

#6536F2

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #198DB4

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

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