#4F88E7#4F88E7

#4F88E7 is a light, vivid blue. Relative luminance 0.250; OKLCH L 63.4% C 0.155 H 260.0°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4F88E7
RGB	rgb(79, 136, 231)
HSL	hsl(218, 76%, 61%)
HSV	hsv(218, 66%, 91%)
CMYK	cmyk(65.8%, 41.1%, 0%, 9.4%)
CIE-LAB	lab(57.11, 11.29, -53.68)
CIE-LCH	lch(57.11, 54.85, 281.88°)
OKLab	oklab(63.37% -0.0269 -0.1531)
OKLCH	oklch(63.37% 0.155 260)
XYZ	xyz(26.4473, 25.0375, 79.0248)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88E7 #E7AE4F

analogous

#4FD4E7 #4F88E7 #624FE7

triadic

#4F88E7 #E74F88 #88E74F

tetradic

#4F88E7 #E74FD4 #E7AE4F #4FE762

square

#4F88E7 #E74FD4 #E7AE4F #4FE762

split-complementary

#4F88E7 #E7624F #D4E74F

monochromatic

#174CA5 #1E65DB #4F88E7 #85ACEE #BBD1F6

Accessibility & contrast

On white

3.50

#4F88E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4F88E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88E7

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88E7	#FFFFFF	#000000	##000000
##4F88E7	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C91EB

Deuteranopia (green-blind)

#4483E5

Tritanopia (blue-blind)

#009EAC

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f88e7;
/* rgb */ color: rgb(79, 136, 231);
/* oklch */ color: oklch(63.4% 0.155 260.0);

Tailwind

colors: {
  custom: {
    50: '#8faaef',
    500: '#4f88e7',
    950: '#000000',
  },
}

SCSS

$custom: #4f88e7;
$custom-light: #8faaef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88e7",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 231
  },
  "hsl": {
    "h": 217.5,
    "s": 76,
    "l": 60.784
  },
  "oklch": {
    "l": 0.6337,
    "c": 0.15542,
    "h": 260
  },
  "luminance": 0.2504
}

Semantic roles & 50–950 ramp

primary

#4F88E7

secondary

#E6D0AC

accent

#8C0DD8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F88E7

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

Preview Lab → · Contrast checker → · Palette generator →