#0490FF#0490FF

#0490FF is a light, vivid cyan. Relative luminance 0.272; OKLCH L 65.0% C 0.193 H 251.9°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#0490FF
RGB	rgb(4, 144, 255)
HSL	hsl(207, 100%, 51%)
HSV	hsv(207, 98%, 100%)
CMYK	cmyk(98.4%, 43.5%, 0%, 0%)
CIE-LAB	lab(59.15, 9.04, -63.77)
CIE-LCH	lch(59.15, 64.41, 278.07°)
OKLab	oklab(64.96% -0.0598 -0.1832)
OKLCH	oklch(64.96% 0.193 251.9)
XYZ	xyz(28.0664, 27.1885, 98.3570)
Luminance	0.2719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0490FF #FF7304

analogous

#04FFF1 #0490FF #0412FF

triadic

#0490FF #FF0490 #90FF04

tetradic

#0490FF #F104FF #FF7304 #12FF04

square

#0490FF #F104FF #FF7304 #12FF04

split-complementary

#0490FF #FF0412 #FFF104

monochromatic

#004C89 #006EC6 #0490FF #41ABFF #7EC6FF

Accessibility & contrast

On white

3.26

#0490FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#0490FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #0490FF

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0490FF	#FFFFFF	#000000	##000000
##0490FF	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5499FF

Deuteranopia (green-blind)

#1D85FD

Tritanopia (blue-blind)

#00ABBB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #0490ff;
/* rgb */ color: rgb(4, 144, 255);
/* oklch */ color: oklch(65.0% 0.193 251.9);

Tailwind

colors: {
  custom: {
    50: '#82afff',
    500: '#0490ff',
    950: '#000000',
  },
}

SCSS

$custom: #0490ff;
$custom-light: #82afff;
$custom-dark: #000000;

JSON

{
  "hex": "#0490ff",
  "rgb": {
    "r": 4,
    "g": 144,
    "b": 255
  },
  "hsl": {
    "h": 206.534,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64955,
    "c": 0.19275,
    "h": 251.9
  },
  "luminance": 0.27192
}

Semantic roles & 50–950 ramp

primary

#0490FF

secondary

#E7A978

accent

#8829FF

background

#F9FAFF

surface

#F1F4FF

border

#CBCED7

text

#0D1018

muted

#7E7F86

Preview Lab

Preview with #0490FF

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

Preview Lab → · Contrast checker → · Palette generator →