#4F5BB2#4F5BB2

#4F5BB2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.137 H 274.5°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F5BB2
RGB	rgb(79, 91, 178)
HSL	hsl(233, 39%, 50%)
HSV	hsv(233, 56%, 70%)
CMYK	cmyk(55.6%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(41.78, 21.15, -47.91)
CIE-LCH	lch(41.78, 52.37, 293.81°)
OKLab	oklab(50.62% 0.0108 -0.1367)
OKLCH	oklch(50.62% 0.137 274.5)
XYZ	xyz(14.9988, 12.3577, 43.7058)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5BB2 #B2A64F

analogous

#4F8CB2 #4F5BB2 #744FB2

triadic

#4F5BB2 #B24F5B #5BB24F

tetradic

#4F5BB2 #B24F8C #B2A64F #4FB274

square

#4F5BB2 #B24F8C #B2A64F #4FB274

split-complementary

#4F5BB2 #B2744F #8CB24F

monochromatic

#292F5E #3C4588 #4F5BB2 #7A83C5 #A4AAD7

Accessibility & contrast

On white

6.05

#4F5BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4F5BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5BB2

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5BB2	#FFFFFF	#000000	##FFFFFF
##4F5BB2	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B5

Deuteranopia (green-blind)

#245FB0

Tritanopia (blue-blind)

#1A6E7E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f5bb2;
/* rgb */ color: rgb(79, 91, 178);
/* oklch */ color: oklch(50.6% 0.137 274.5);

Tailwind

colors: {
  custom: {
    50: '#8889c9',
    500: '#4f5bb2',
    950: '#000000',
  },
}

SCSS

$custom: #4f5bb2;
$custom-light: #8889c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5bb2",
  "rgb": {
    "r": 79,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 232.727,
    "s": 39.13,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50616,
    "c": 0.13713,
    "h": 274.5
  },
  "luminance": 0.12359
}

Semantic roles & 50–950 ramp

primary

#4F5BB2

secondary

#C4BF98

accent

#C159CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4F5BB2

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

Preview Lab → · Contrast checker → · Palette generator →