#1998B3#1998B3

#1998B3 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 62.8% C 0.108 H 217.2°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#1998B3
RGB	rgb(25, 152, 179)
HSL	hsl(191, 75%, 40%)
HSV	hsv(191, 86%, 70%)
CMYK	cmyk(86%, 15.1%, 0%, 29.8%)
CIE-LAB	lab(57.96, -22.57, -23.21)
CIE-LCH	lch(57.96, 32.37, 225.80°)
OKLab	oklab(62.85% -0.0857 -0.0649)
OKLCH	oklch(62.85% 0.108 217.2)
XYZ	xyz(19.7623, 25.9153, 46.5996)
Luminance	0.2592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1998B3 #B33419

analogous

#19B381 #1998B3 #194BB3

triadic

#1998B3 #B31998 #98B319

tetradic

#1998B3 #8119B3 #B33419 #4BB319

square

#1998B3 #8119B3 #B33419 #4BB319

split-complementary

#1998B3 #B3194B #B38119

monochromatic

#0A3D48 #126A7D #1998B3 #28C1E1 #5ED0E8

Accessibility & contrast

On white

3.40

#1998B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#1998B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1998B3

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1998B3	#FFFFFF	#000000	##000000
##1998B3	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B4

Deuteranopia (green-blind)

#7385B3

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1998b3;
/* rgb */ color: rgb(25, 152, 179);
/* oklch */ color: oklch(62.8% 0.108 217.2);

Tailwind

colors: {
  custom: {
    50: '#75b6c9',
    500: '#1998b3',
    950: '#000000',
  },
}

SCSS

$custom: #1998b3;
$custom-light: #75b6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1998b3",
  "rgb": {
    "r": 25,
    "g": 152,
    "b": 179
  },
  "hsl": {
    "h": 190.519,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.62848,
    "c": 0.10755,
    "h": 217.2
  },
  "luminance": 0.25918
}

Semantic roles & 50–950 ramp

primary

#1998B3

secondary

#CC6F5B

accent

#5736F2

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1998B3

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

Preview Lab → · Contrast checker → · Palette generator →