#1998B4#1998B4

#1998B4 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 62.9% C 0.108 H 217.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#1998B4
RGB	rgb(25, 152, 180)
HSL	hsl(191, 76%, 40%)
HSV	hsv(191, 86%, 71%)
CMYK	cmyk(86.1%, 15.6%, 0%, 29.4%)
CIE-LAB	lab(58.00, -22.23, -23.72)
CIE-LCH	lch(58.00, 32.50, 226.86°)
OKLab	oklab(62.89% -0.0853 -0.0664)
OKLCH	oklch(62.89% 0.108 217.9)
XYZ	xyz(19.8638, 25.9559, 47.1342)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1998B4 #B43519

analogous

#19B483 #1998B4 #194AB4

triadic

#1998B4 #B41998 #98B419

tetradic

#1998B4 #8319B4 #B43519 #4AB419

square

#1998B4 #8319B4 #B43519 #4AB419

split-complementary

#1998B4 #B4194A #B48319

monochromatic

#0A3D49 #126B7E #1998B4 #29C0E1 #5FD0E9

Accessibility & contrast

On white

3.39

#1998B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#1998B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1998B4

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1998B4	#FFFFFF	#000000	##000000
##1998B4	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B6

Deuteranopia (green-blind)

#7285B4

Tritanopia (blue-blind)

#00A2A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1998b4;
/* rgb */ color: rgb(25, 152, 180);
/* oklch */ color: oklch(62.9% 0.108 217.9);

Tailwind

colors: {
  custom: {
    50: '#75b6ca',
    500: '#1998b4',
    950: '#000000',
  },
}

SCSS

$custom: #1998b4;
$custom-light: #75b6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1998b4",
  "rgb": {
    "r": 25,
    "g": 152,
    "b": 180
  },
  "hsl": {
    "h": 190.839,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.62892,
    "c": 0.10811,
    "h": 217.9
  },
  "luminance": 0.25958
}

Semantic roles & 50–950 ramp

primary

#1998B4

secondary

#CD705C

accent

#5836F2

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1998B4

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

Preview Lab → · Contrast checker → · Palette generator →