#4098D9#4098D9

#4098D9 is a light, vivid cyan. Relative luminance 0.286; OKLCH L 65.5% C 0.128 H 244.1°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4098D9
RGB	rgb(64, 152, 217)
HSL	hsl(205, 67%, 55%)
HSV	hsv(205, 71%, 85%)
CMYK	cmyk(70.5%, 30%, 0%, 14.9%)
CIE-LAB	lab(60.39, -5.25, -40.73)
CIE-LCH	lch(60.39, 41.07, 262.66°)
OKLab	oklab(65.55% -0.056 -0.1152)
OKLCH	oklch(65.55% 0.128 244.1)
XYZ	xyz(25.8622, 28.5534, 69.7805)
Luminance	0.2856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4098D9 #D98140

analogous

#40D9CD #4098D9 #404CD9

triadic

#4098D9 #D94098 #98D940

tetradic

#4098D9 #CD40D9 #D98140 #4CD940

square

#4098D9 #CD40D9 #D98140 #4CD940

split-complementary

#4098D9 #D9404C #D9CD40

monochromatic

#1A5784 #2479B7 #4098D9 #73B4E3 #A6CFED

Accessibility & contrast

On white

3.13

#4098D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#4098D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4098D9

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4098D9	#FFFFFF	#000000	##000000
##4098D9	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9ADC

Deuteranopia (green-blind)

#658BD8

Tritanopia (blue-blind)

#00A8AF

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4098d9;
/* rgb */ color: rgb(64, 152, 217);
/* oklch */ color: oklch(65.5% 0.128 244.1);

Tailwind

colors: {
  custom: {
    50: '#87b6e5',
    500: '#4098d9',
    950: '#000000',
  },
}

SCSS

$custom: #4098d9;
$custom-light: #87b6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4098d9",
  "rgb": {
    "r": 64,
    "g": 152,
    "b": 217
  },
  "hsl": {
    "h": 205.49,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6555,
    "c": 0.12812,
    "h": 244.1
  },
  "luminance": 0.28556
}

Semantic roles & 50–950 ramp

primary

#4098D9

secondary

#DAB69A

accent

#873EEA

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1115

muted

#7D8084

Preview Lab

Preview with #4098D9

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

Preview Lab → · Contrast checker → · Palette generator →