#4F66EB#4F66EB

#4F66EB is a mid, highly saturated blue. Relative luminance 0.172; OKLCH L 56.9% C 0.201 H 271.1°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4F66EB
RGB	rgb(79, 102, 235)
HSL	hsl(231, 80%, 62%)
HSV	hsv(231, 66%, 92%)
CMYK	cmyk(66.4%, 56.6%, 0%, 7.8%)
CIE-LAB	lab(48.46, 33.57, -69.84)
CIE-LCH	lch(48.46, 77.49, 295.67°)
OKLab	oklab(56.87% 0.0039 -0.2011)
OKLCH	oklch(56.87% 0.201 271.1)
XYZ	xyz(22.9661, 17.1610, 80.6833)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F66EB #EBD44F

analogous

#4FB4EB #4F66EB #864FEB

triadic

#4F66EB #EB4F66 #66EB4F

tetradic

#4F66EB #EB4FB4 #EBD44F #4FEB86

square

#4F66EB #EB4FB4 #EBD44F #4FEB86

split-complementary

#4F66EB #EB864F #B4EB4F

monochromatic

#142AAC #1A37E3 #4F66EB #8696F1 #BDC6F7

Accessibility & contrast

On white

4.74

#4F66EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4F66EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F66EB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F66EB	#FFFFFF	#000000	##FFFFFF
##4F66EB	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF0

Deuteranopia (green-blind)

#006CE8

Tritanopia (blue-blind)

#00869F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4f66eb;
/* rgb */ color: rgb(79, 102, 235);
/* oklch */ color: oklch(56.9% 0.201 271.1);

Tailwind

colors: {
  custom: {
    50: '#9191f2',
    500: '#4f66eb',
    950: '#000000',
  },
}

SCSS

$custom: #4f66eb;
$custom-light: #9191f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f66eb",
  "rgb": {
    "r": 79,
    "g": 102,
    "b": 235
  },
  "hsl": {
    "h": 231.154,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.56868,
    "c": 0.20112,
    "h": 271.1
  },
  "luminance": 0.17163
}

Semantic roles & 50–950 ramp

primary

#4F66EB

secondary

#E8DFAE

accent

#BD0ADC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4F66EB

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

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