#4F88ED#4F88ED

#4F88ED is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.7% C 0.163 H 260.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4F88ED
RGB	rgb(79, 136, 237)
HSL	hsl(218, 81%, 62%)
HSV	hsv(218, 67%, 93%)
CMYK	cmyk(66.7%, 42.6%, 0%, 7.1%)
CIE-LAB	lab(57.45, 13.36, -56.48)
CIE-LCH	lch(57.45, 58.04, 283.30°)
OKLab	oklab(63.74% -0.0257 -0.1613)
OKLCH	oklch(63.74% 0.163 260.9)
XYZ	xyz(27.3092, 25.3823, 83.5644)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88ED #EDB44F

analogous

#4FD7ED #4F88ED #654FED

triadic

#4F88ED #ED4F88 #88ED4F

tetradic

#4F88ED #ED4FD7 #EDB44F #4FED65

square

#4F88ED #ED4FD7 #EDB44F #4FED65

split-complementary

#4F88ED #ED654F #D7ED4F

monochromatic

#124BB0 #1863E7 #4F88ED #87AEF3 #BED3F8

Accessibility & contrast

On white

3.46

#4F88ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#4F88ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88ED

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88ED	#FFFFFF	#000000	##000000
##4F88ED	1.00	3.46	6.08	6.08
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5892F1

Deuteranopia (green-blind)

#3E83EB

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f88ed;
/* rgb */ color: rgb(79, 136, 237);
/* oklch */ color: oklch(63.7% 0.163 260.9);

Tailwind

colors: {
  custom: {
    50: '#90aaf3',
    500: '#4f88ed',
    950: '#000000',
  },
}

SCSS

$custom: #4f88ed;
$custom-light: #90aaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88ed",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 237
  },
  "hsl": {
    "h": 218.354,
    "s": 81.443,
    "l": 61.961
  },
  "oklch": {
    "l": 0.63736,
    "c": 0.16334,
    "h": 260.9
  },
  "luminance": 0.25385
}

Semantic roles & 50–950 ramp

primary

#4F88ED

secondary

#E9D4AF

accent

#9108DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F88ED

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

Preview Lab → · Contrast checker → · Palette generator →