#4951BF#4951BF

#4951BF is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.2% C 0.170 H 275.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4951BF
RGB	rgb(73, 81, 191)
HSL	hsl(236, 48%, 52%)
HSV	hsv(236, 62%, 75%)
CMYK	cmyk(61.8%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(39.68, 30.73, -58.93)
CIE-LCH	lch(39.68, 66.46, 297.54°)
OKLab	oklab(49.22% 0.0151 -0.1693)
OKLCH	oklch(49.22% 0.17 275.1)
XYZ	xyz(15.0910, 11.0617, 50.6200)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4951BF #BFB749

analogous

#498CBF #4951BF #7C49BF

triadic

#4951BF #BF4951 #51BF49

tetradic

#4951BF #BF498C #BFB749 #49BF7C

square

#4951BF #BF498C #BFB749 #49BF7C

split-complementary

#4951BF #BF7C49 #8CBF49

monochromatic

#252969 #353B96 #4951BF #767CCF #A4A8DF

Accessibility & contrast

On white

6.54

#4951BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4951BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4951BF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4951BF	#FFFFFF	#000000	##FFFFFF
##4951BF	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4951bf;
/* rgb */ color: rgb(73, 81, 191);
/* oklch */ color: oklch(49.2% 0.170 275.1);

Tailwind

colors: {
  custom: {
    50: '#8881d3',
    500: '#4951bf',
    950: '#000000',
  },
}

SCSS

$custom: #4951bf;
$custom-light: #8881d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4951bf",
  "rgb": {
    "r": 73,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 235.932,
    "s": 47.967,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49222,
    "c": 0.17002,
    "h": 275.1
  },
  "luminance": 0.11063
}

Semantic roles & 50–950 ramp

primary

#4951BF

secondary

#CCC898

accent

#CE50D8

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4951BF

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

Preview Lab → · Contrast checker → · Palette generator →