#4F90EB#4F90EB

#4F90EB is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.3% C 0.152 H 257.2°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4F90EB
RGB	rgb(79, 144, 235)
HSL	hsl(215, 80%, 62%)
HSV	hsv(215, 66%, 92%)
CMYK	cmyk(66.4%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.53, 7.88, -52.05)
CIE-LCH	lch(59.53, 52.64, 278.61°)
OKLab	oklab(65.32% -0.0337 -0.1482)
OKLCH	oklch(65.32% 0.152 257.2)
XYZ	xyz(28.1877, 27.6041, 82.4238)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90EB #EBAA4F

analogous

#4FDEEB #4F90EB #5C4FEB

triadic

#4F90EB #EB4F90 #90EB4F

tetradic

#4F90EB #EB4FDE #EBAA4F #4FEB5C

square

#4F90EB #EB4FDE #EBAA4F #4FEB5C

split-complementary

#4F90EB #EB5C4F #DEEB4F

monochromatic

#1453AC #1A6EE3 #4F90EB #86B3F1 #BDD5F7

Accessibility & contrast

On white

3.22

#4F90EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#4F90EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90EB

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90EB	#FFFFFF	#000000	##000000
##4F90EB	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6797EF

Deuteranopia (green-blind)

#5089E9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f90eb;
/* rgb */ color: rgb(79, 144, 235);
/* oklch */ color: oklch(65.3% 0.152 257.2);

Tailwind

colors: {
  custom: {
    50: '#90b0f2',
    500: '#4f90eb',
    950: '#000000',
  },
}

SCSS

$custom: #4f90eb;
$custom-light: #90b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90eb",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 215,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.65315,
    "c": 0.15197,
    "h": 257.2
  },
  "luminance": 0.27607
}

Semantic roles & 50–950 ramp

primary

#4F90EB

secondary

#E8D0AE

accent

#840ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F90EB

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

Preview Lab → · Contrast checker → · Palette generator →