#4F88EB#4F88EB

#4F88EB is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.6% C 0.161 H 260.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F88EB
RGB	rgb(79, 136, 235)
HSL	hsl(218, 80%, 62%)
HSV	hsv(218, 66%, 92%)
CMYK	cmyk(66.4%, 42.1%, 0%, 7.8%)
CIE-LAB	lab(57.33, 12.67, -55.55)
CIE-LCH	lch(57.33, 56.98, 282.84°)
OKLab	oklab(63.61% -0.0261 -0.1586)
OKLCH	oklch(63.61% 0.161 260.6)
XYZ	xyz(27.0187, 25.2661, 82.0341)
Luminance	0.2527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88EB #EBB24F

analogous

#4FD6EB #4F88EB #644FEB

triadic

#4F88EB #EB4F88 #88EB4F

tetradic

#4F88EB #EB4FD6 #EBB24F #4FEB64

square

#4F88EB #EB4FD6 #EBB24F #4FEB64

split-complementary

#4F88EB #EB644F #D6EB4F

monochromatic

#144BAC #1A63E3 #4F88EB #86ADF1 #BDD2F7

Accessibility & contrast

On white

3.47

#4F88EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#4F88EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88EB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88EB	#FFFFFF	#000000	##000000
##4F88EB	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5991EF

Deuteranopia (green-blind)

#4083E9

Tritanopia (blue-blind)

#009FAE

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f88eb;
/* rgb */ color: rgb(79, 136, 235);
/* oklch */ color: oklch(63.6% 0.161 260.6);

Tailwind

colors: {
  custom: {
    50: '#90aaf2',
    500: '#4f88eb',
    950: '#000000',
  },
}

SCSS

$custom: #4f88eb;
$custom-light: #90aaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88eb",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 235
  },
  "hsl": {
    "h": 218.077,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.63613,
    "c": 0.16071,
    "h": 260.6
  },
  "luminance": 0.25269
}

Semantic roles & 50–950 ramp

primary

#4F88EB

secondary

#E8D3AE

accent

#8F0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F88EB

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

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