#4E57B1#4E57B1

#4E57B1 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.7% C 0.141 H 275.7°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4E57B1
RGB	rgb(78, 87, 177)
HSL	hsl(235, 39%, 50%)
HSV	hsv(235, 56%, 69%)
CMYK	cmyk(55.9%, 50.8%, 0%, 30.6%)
CIE-LAB	lab(40.59, 23.15, -49.24)
CIE-LCH	lch(40.59, 54.41, 295.18°)
OKLab	oklab(49.68% 0.014 -0.1407)
OKLCH	oklch(49.68% 0.141 275.7)
XYZ	xyz(14.4833, 11.6094, 43.0641)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57B1 #B1A84E

analogous

#4E89B1 #4E57B1 #764EB1

triadic

#4E57B1 #B14E57 #57B14E

tetradic

#4E57B1 #B14E89 #B1A84E #4EB176

square

#4E57B1 #B14E89 #B1A84E #4EB176

split-complementary

#4E57B1 #B1764E #89B14E

monochromatic

#292D5C #3B4287 #4E57B1 #787FC4 #A3A8D6

Accessibility & contrast

On white

6.32

#4E57B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4E57B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57B1

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57B1	#FFFFFF	#000000	##FFFFFF
##4E57B1	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2964B4

Deuteranopia (green-blind)

#195CAF

Tritanopia (blue-blind)

#196B7C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e57b1;
/* rgb */ color: rgb(78, 87, 177);
/* oklch */ color: oklch(49.7% 0.141 275.7);

Tailwind

colors: {
  custom: {
    50: '#8786c9',
    500: '#4e57b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e57b1;
$custom-light: #8786c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57b1",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 177
  },
  "hsl": {
    "h": 234.545,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.49678,
    "c": 0.14137,
    "h": 275.7
  },
  "luminance": 0.1161
}

Semantic roles & 50–950 ramp

primary

#4E57B1

secondary

#C4C097

accent

#C459CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57B1

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

Preview Lab → · Contrast checker → · Palette generator →