#4F5BCC#4F5BCC

#4F5BCC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.173 H 274.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4F5BCC
RGB	rgb(79, 91, 204)
HSL	hsl(234, 55%, 55%)
HSV	hsv(234, 61%, 80%)
CMYK	cmyk(61.3%, 55.4%, 0%, 20%)
CIE-LAB	lab(43.51, 29.88, -60.24)
CIE-LCH	lch(43.51, 67.25, 296.38°)
OKLab	oklab(52.47% 0.0127 -0.173)
OKLCH	oklch(52.47% 0.173 274.2)
XYZ	xyz(17.8610, 13.5026, 58.7801)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5BCC #CCC04F

analogous

#4F99CC #4F5BCC #814FCC

triadic

#4F5BCC #CC4F5B #5BCC4F

tetradic

#4F5BCC #CC4F99 #CCC04F #4FCC81

square

#4F5BCC #CC4F99 #CCC04F #4FCC81

split-complementary

#4F5BCC #CC814F #99CC4F

monochromatic

#242D7D #323EAC #4F5BCC #7E87DA #AEB3E7

Accessibility & contrast

On white

5.67

#4F5BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4F5BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5BCC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5BCC	#FFFFFF	#000000	##FFFFFF
##4F5BCC	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4f5bcc;
/* rgb */ color: rgb(79, 91, 204);
/* oklch */ color: oklch(52.5% 0.173 274.2);

Tailwind

colors: {
  custom: {
    50: '#8c89dc',
    500: '#4f5bcc',
    950: '#000000',
  },
}

SCSS

$custom: #4f5bcc;
$custom-light: #8c89dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5bcc",
  "rgb": {
    "r": 79,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 234.24,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52471,
    "c": 0.17344,
    "h": 274.2
  },
  "luminance": 0.13504
}

Semantic roles & 50–950 ramp

primary

#4F5BCC

secondary

#D5D0A1

accent

#D049DE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F5BCC

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

Preview Lab → · Contrast checker → · Palette generator →