#1C98B3#1C98B3

#1C98B3 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 62.9% C 0.107 H 217.3°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C98B3
RGB	rgb(28, 152, 179)
HSL	hsl(191, 73%, 41%)
HSV	hsv(191, 84%, 70%)
CMYK	cmyk(84.4%, 15.1%, 0%, 29.8%)
CIE-LAB	lab(57.99, -22.34, -23.15)
CIE-LCH	lch(57.99, 32.17, 226.01°)
OKLab	oklab(62.89% -0.0849 -0.0648)
OKLCH	oklch(62.89% 0.107 217.3)
XYZ	xyz(19.8403, 25.9555, 46.6033)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C98B3 #B3371C

analogous

#1CB382 #1C98B3 #1C4DB3

triadic

#1C98B3 #B31C98 #98B31C

tetradic

#1C98B3 #821CB3 #B3371C #4DB31C

square

#1C98B3 #821CB3 #B3371C #4DB31C

split-complementary

#1C98B3 #B31C4D #B3821C

monochromatic

#0B3E49 #146B7E #1C98B3 #2EBFDE #63CFE7

Accessibility & contrast

On white

3.39

#1C98B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#1C98B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C98B3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C98B3	#FFFFFF	#000000	##000000
##1C98B3	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)

#8693B4

Deuteranopia (green-blind)

#7385B3

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1c98b3;
/* rgb */ color: rgb(28, 152, 179);
/* oklch */ color: oklch(62.9% 0.107 217.3);

Tailwind

colors: {
  custom: {
    50: '#76b6c9',
    500: '#1c98b3',
    950: '#000000',
  },
}

SCSS

$custom: #1c98b3;
$custom-light: #76b6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c98b3",
  "rgb": {
    "r": 28,
    "g": 152,
    "b": 179
  },
  "hsl": {
    "h": 190.728,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6289,
    "c": 0.10682,
    "h": 217.3
  },
  "luminance": 0.25958
}

Semantic roles & 50–950 ramp

primary

#1C98B3

secondary

#CB735F

accent

#5938F0

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1C98B3

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

Preview Lab → · Contrast checker → · Palette generator →