#4D90F4#4D90F4

#4D90F4 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.164 H 258.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4D90F4
RGB	rgb(77, 144, 244)
HSL	hsl(216, 88%, 63%)
HSV	hsv(216, 68%, 96%)
CMYK	cmyk(68.4%, 41%, 0%, 4.3%)
CIE-LAB	lab(59.94, 10.67, -56.38)
CIE-LCH	lch(59.94, 57.38, 280.72°)
OKLab	oklab(65.77% -0.0333 -0.1609)
OKLCH	oklch(65.77% 0.164 258.3)
XYZ	xyz(29.3571, 28.0529, 89.4380)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90F4 #F4B14D

analogous

#4DE4F4 #4D90F4 #5D4DF4

triadic

#4D90F4 #F44D90 #90F44D

tetradic

#4D90F4 #F44DE4 #F4B14D #4DF45D

square

#4D90F4 #F44DE4 #F4B14D #4DF45D

split-complementary

#4D90F4 #F45D4D #E4F44D

monochromatic

#0C52BB #136CF0 #4D90F4 #87B4F8 #C0D8FB

Accessibility & contrast

On white

3.18

#4D90F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#4D90F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90F4

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90F4	#FFFFFF	#000000	##000000
##4D90F4	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6199F8

Deuteranopia (green-blind)

#4689F2

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4d90f4;
/* rgb */ color: rgb(77, 144, 244);
/* oklch */ color: oklch(65.8% 0.164 258.3);

Tailwind

colors: {
  custom: {
    50: '#90b0f8',
    500: '#4d90f4',
    950: '#000000',
  },
}

SCSS

$custom: #4d90f4;
$custom-light: #90b0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90f4",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 244
  },
  "hsl": {
    "h": 215.928,
    "s": 88.36,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65767,
    "c": 0.16432,
    "h": 258.3
  },
  "luminance": 0.28056
}

Semantic roles & 50–950 ramp

primary

#4D90F4

secondary

#ECD4B0

accent

#8901E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4D90F4

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

Preview Lab → · Contrast checker → · Palette generator →