#4F5BCA#4F5BCA

#4F5BCA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.171 H 274.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4F5BCA
RGB	rgb(79, 91, 202)
HSL	hsl(234, 54%, 55%)
HSV	hsv(234, 61%, 79%)
CMYK	cmyk(60.9%, 55%, 0%, 20.8%)
CIE-LAB	lab(43.37, 29.20, -59.32)
CIE-LCH	lch(43.37, 66.12, 296.21°)
OKLab	oklab(52.32% 0.0126 -0.1703)
OKLCH	oklch(52.32% 0.171 274.2)
XYZ	xyz(17.6227, 13.4073, 57.5249)
Luminance	0.1341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5BCA #CABE4F

analogous

#4F99CA #4F5BCA #804FCA

triadic

#4F5BCA #CA4F5B #5BCA4F

tetradic

#4F5BCA #CA4F99 #CABE4F #4FCA80

square

#4F5BCA #CA4F99 #CABE4F #4FCA80

split-complementary

#4F5BCA #CA804F #99CA4F

monochromatic

#252D7A #333EA9 #4F5BCA #7E87D8 #ADB3E6

Accessibility & contrast

On white

5.70

#4F5BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4F5BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5BCA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5BCA	#FFFFFF	#000000	##FFFFFF
##4F5BCA	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#036CCE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f5bca;
/* rgb */ color: rgb(79, 91, 202);
/* oklch */ color: oklch(52.3% 0.171 274.2);

Tailwind

colors: {
  custom: {
    50: '#8c89db',
    500: '#4f5bca',
    950: '#000000',
  },
}

SCSS

$custom: #4f5bca;
$custom-light: #8c89db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5bca",
  "rgb": {
    "r": 79,
    "g": 91,
    "b": 202
  },
  "hsl": {
    "h": 234.146,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52322,
    "c": 0.17072,
    "h": 274.2
  },
  "luminance": 0.13409
}

Semantic roles & 50–950 ramp

primary

#4F5BCA

secondary

#D4CFA1

accent

#CF4BDD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F5BCA

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

Preview Lab → · Contrast checker → · Palette generator →