#4098DF#4098DF

#4098DF is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.9% C 0.135 H 246.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4098DF
RGB	rgb(64, 152, 223)
HSL	hsl(207, 71%, 56%)
HSV	hsv(207, 71%, 87%)
CMYK	cmyk(71.3%, 31.8%, 0%, 12.5%)
CIE-LAB	lab(60.67, -3.18, -43.63)
CIE-LCH	lch(60.67, 43.74, 265.83°)
OKLab	oklab(65.87% -0.0543 -0.1236)
OKLCH	oklch(65.87% 0.135 246.3)
XYZ	xyz(26.6568, 28.8712, 73.9655)
Luminance	0.2887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4098DF #DF8740

analogous

#40DFD6 #4098DF #4049DF

triadic

#4098DF #DF4098 #98DF40

tetradic

#4098DF #D640DF #DF8740 #49DF40

square

#4098DF #D640DF #DF8740 #49DF40

split-complementary

#4098DF #DF4049 #DFD640

monochromatic

#18598D #207AC1 #4098DF #74B4E8 #A9D1F1

Accessibility & contrast

On white

3.10

#4098DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#4098DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4098DF

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4098DF	#FFFFFF	#000000	##000000
##4098DF	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789BE2

Deuteranopia (green-blind)

#628CDE

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4098df;
/* rgb */ color: rgb(64, 152, 223);
/* oklch */ color: oklch(65.9% 0.135 246.3);

Tailwind

colors: {
  custom: {
    50: '#88b6e9',
    500: '#4098df',
    950: '#000000',
  },
}

SCSS

$custom: #4098df;
$custom-light: #88b6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4098df",
  "rgb": {
    "r": 64,
    "g": 152,
    "b": 223
  },
  "hsl": {
    "h": 206.792,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.65866,
    "c": 0.13504,
    "h": 246.3
  },
  "luminance": 0.28874
}

Semantic roles & 50–950 ramp

primary

#4098DF

secondary

#DEBA9D

accent

#8A3AEE

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4098DF

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

Preview Lab → · Contrast checker → · Palette generator →