#4890FF#4890FF

#4890FF is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.3% C 0.180 H 258.9°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4890FF
RGB	rgb(72, 144, 255)
HSL	hsl(216, 100%, 64%)
HSV	hsv(216, 72%, 100%)
CMYK	cmyk(71.8%, 43.5%, 0%, 0%)
CIE-LAB	lab(60.37, 13.82, -61.74)
CIE-LCH	lch(60.37, 63.26, 282.62°)
OKLab	oklab(66.26% -0.0347 -0.1767)
OKLCH	oklch(66.26% 0.18 258.9)
XYZ	xyz(30.6892, 28.5409, 98.4799)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4890FF #FFB748

analogous

#48ECFF #4890FF #5C48FF

triadic

#4890FF #FF4890 #90FF48

tetradic

#4890FF #FF48EC #FFB748 #48FF5C

square

#4890FF #FF48EC #FFB748 #48FF5C

split-complementary

#4890FF #FF5C48 #ECFF48

monochromatic

#0051CD #0B6BFF #4890FF #85B5FF #C2DAFF

Accessibility & contrast

On white

3.13

#4890FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#4890FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4890FF

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4890FF	#FFFFFF	#000000	##000000
##4890FF	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)

#589BFF

Deuteranopia (green-blind)

#358AFD

Tritanopia (blue-blind)

#00AABB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4890ff;
/* rgb */ color: rgb(72, 144, 255);
/* oklch */ color: oklch(66.3% 0.180 258.9);

Tailwind

colors: {
  custom: {
    50: '#90afff',
    500: '#4890ff',
    950: '#000000',
  },
}

SCSS

$custom: #4890ff;
$custom-light: #90afff;
$custom-dark: #000000;

JSON

{
  "hex": "#4890ff",
  "rgb": {
    "r": 72,
    "g": 144,
    "b": 255
  },
  "hsl": {
    "h": 216.393,
    "s": 100,
    "l": 64.118
  },
  "oklch": {
    "l": 0.66255,
    "c": 0.1801,
    "h": 258.9
  },
  "luminance": 0.28544
}

Semantic roles & 50–950 ramp

primary

#4890FF

secondary

#F1D8B1

accent

#8B00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4890FF

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

Preview Lab → · Contrast checker → · Palette generator →