#4F99E1#4F99E1

#4F99E1 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.131 H 249.8°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#4F99E1
RGB	rgb(79, 153, 225)
HSL	hsl(210, 71%, 60%)
HSV	hsv(210, 65%, 88%)
CMYK	cmyk(64.9%, 32%, 0%, 11.8%)
CIE-LAB	lab(61.55, -0.77, -43.32)
CIE-LCH	lch(61.55, 43.32, 268.98°)
OKLab	oklab(66.73% -0.045 -0.1226)
OKLCH	oklch(66.73% 0.131 249.8)
XYZ	xyz(28.2013, 29.8781, 75.5004)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99E1 #E1974F

analogous

#4FE1E0 #4F99E1 #4F50E1

triadic

#4F99E1 #E14F99 #99E14F

tetradic

#4F99E1 #E04FE1 #E1974F #50E14F

square

#4F99E1 #E04FE1 #E1974F #50E14F

split-complementary

#4F99E1 #E14F50 #E1E04F

monochromatic

#1A5C9B #237BCF #4F99E1 #83B7EA #B8D6F3

Accessibility & contrast

On white

3.01

#4F99E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#4F99E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99E1

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99E1	#FFFFFF	#000000	##000000
##4F99E1	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE4

Deuteranopia (green-blind)

#658EE0

Tritanopia (blue-blind)

#00AAB3

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4f99e1;
/* rgb */ color: rgb(79, 153, 225);
/* oklch */ color: oklch(66.7% 0.131 249.8);

Tailwind

colors: {
  custom: {
    50: '#8eb6ea',
    500: '#4f99e1',
    950: '#000000',
  },
}

SCSS

$custom: #4f99e1;
$custom-light: #8eb6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99e1",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 225
  },
  "hsl": {
    "h": 209.589,
    "s": 70.874,
    "l": 59.608
  },
  "oklch": {
    "l": 0.6673,
    "c": 0.13057,
    "h": 249.8
  },
  "luminance": 0.29881
}

Semantic roles & 50–950 ramp

primary

#4F99E1

secondary

#E2C6AA

accent

#933AEE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F99E1

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

Preview Lab → · Contrast checker → · Palette generator →