#4F90E1#4F90E1

#4F90E1 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.7% C 0.139 H 255.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4F90E1
RGB	rgb(79, 144, 225)
HSL	hsl(213, 71%, 60%)
HSV	hsv(213, 65%, 88%)
CMYK	cmyk(64.9%, 36%, 0%, 11.8%)
CIE-LAB	lab(59.01, 4.47, -47.32)
CIE-LCH	lch(59.01, 47.53, 275.39°)
OKLab	oklab(64.74% -0.036 -0.1343)
OKLCH	oklch(64.74% 0.139 255)
XYZ	xyz(26.7834, 27.0424, 75.0278)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90E1 #E1A04F

analogous

#4FD9E1 #4F90E1 #574FE1

triadic

#4F90E1 #E14F90 #90E14F

tetradic

#4F90E1 #E14FD9 #E1A04F #4FE157

square

#4F90E1 #E14FD9 #E1A04F #4FE157

split-complementary

#4F90E1 #E1574F #D9E14F

monochromatic

#1A549B #2370CF #4F90E1 #83B1EA #B8D2F3

Accessibility & contrast

On white

3.28

#4F90E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#4F90E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90E1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90E1	#FFFFFF	#000000	##000000
##4F90E1	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C96E4

Deuteranopia (green-blind)

#5888DF

Tritanopia (blue-blind)

#00A3AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f90e1;
/* rgb */ color: rgb(79, 144, 225);
/* oklch */ color: oklch(64.7% 0.139 255.0);

Tailwind

colors: {
  custom: {
    50: '#8eb0eb',
    500: '#4f90e1',
    950: '#000000',
  },
}

SCSS

$custom: #4f90e1;
$custom-light: #8eb0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90e1",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 225
  },
  "hsl": {
    "h": 213.288,
    "s": 70.874,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64745,
    "c": 0.13908,
    "h": 255
  },
  "luminance": 0.27045
}

Semantic roles & 50–950 ramp

primary

#4F90E1

secondary

#E2C9AA

accent

#9E3AEE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F90E1

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

Preview Lab → · Contrast checker → · Palette generator →