#4F90EC#4F90EC

#4F90EC is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.4% C 0.153 H 257.4°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4F90EC
RGB	rgb(79, 144, 236)
HSL	hsl(215, 81%, 62%)
HSV	hsv(215, 67%, 93%)
CMYK	cmyk(66.5%, 39%, 0%, 7.5%)
CIE-LAB	lab(59.58, 8.22, -52.52)
CIE-LCH	lch(59.58, 53.16, 278.89°)
OKLab	oklab(65.37% -0.0335 -0.1496)
OKLCH	oklch(65.37% 0.153 257.4)
XYZ	xyz(28.3326, 27.6621, 83.1868)
Luminance	0.2767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90EC #ECAB4F

analogous

#4FDFEC #4F90EC #5D4FEC

triadic

#4F90EC #EC4F90 #90EC4F

tetradic

#4F90EC #EC4FDF #ECAB4F #4FEC5D

square

#4F90EC #EC4FDF #ECAB4F #4FEC5D

split-complementary

#4F90EC #EC5D4F #DFEC4F

monochromatic

#1353AE #196DE5 #4F90EC #86B3F2 #BDD6F8

Accessibility & contrast

On white

3.21

#4F90EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#4F90EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90EC

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90EC	#FFFFFF	#000000	##000000
##4F90EC	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6697F0

Deuteranopia (green-blind)

#4F89EA

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f90ec;
/* rgb */ color: rgb(79, 144, 236);
/* oklch */ color: oklch(65.4% 0.153 257.4);

Tailwind

colors: {
  custom: {
    50: '#90b0f2',
    500: '#4f90ec',
    950: '#000000',
  },
}

SCSS

$custom: #4f90ec;
$custom-light: #90b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90ec",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 236
  },
  "hsl": {
    "h": 215.159,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65373,
    "c": 0.15327,
    "h": 257.4
  },
  "luminance": 0.27665
}

Semantic roles & 50–950 ramp

primary

#4F90EC

secondary

#E8D0AE

accent

#8509DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F90EC

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

Preview Lab → · Contrast checker → · Palette generator →