#4E57B2#4E57B2

#4E57B2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.143 H 275.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4E57B2
RGB	rgb(78, 87, 178)
HSL	hsl(235, 39%, 50%)
HSV	hsv(235, 56%, 70%)
CMYK	cmyk(56.2%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(40.65, 23.48, -49.73)
CIE-LCH	lch(40.65, 54.99, 295.28°)
OKLab	oklab(49.75% 0.0141 -0.1421)
OKLCH	oklch(49.75% 0.143 275.7)
XYZ	xyz(14.5834, 11.6494, 43.5909)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57B2 #B2A94E

analogous

#4E89B2 #4E57B2 #774EB2

triadic

#4E57B2 #B24E57 #57B24E

tetradic

#4E57B2 #B24E89 #B2A94E #4EB277

square

#4E57B2 #B24E89 #B2A94E #4EB277

split-complementary

#4E57B2 #B2774E #89B24E

monochromatic

#292D5D #3B4288 #4E57B2 #797FC5 #A3A8D7

Accessibility & contrast

On white

6.31

#4E57B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#4E57B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57B2

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57B2	#FFFFFF	#000000	##FFFFFF
##4E57B2	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2764B5

Deuteranopia (green-blind)

#175CB0

Tritanopia (blue-blind)

#176B7C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e57b2;
/* rgb */ color: rgb(78, 87, 178);
/* oklch */ color: oklch(49.7% 0.143 275.7);

Tailwind

colors: {
  custom: {
    50: '#8886ca',
    500: '#4e57b2',
    950: '#000000',
  },
}

SCSS

$custom: #4e57b2;
$custom-light: #8886ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57b2",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 234.6,
    "s": 39.37,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49748,
    "c": 0.14279,
    "h": 275.7
  },
  "luminance": 0.1165
}

Semantic roles & 50–950 ramp

primary

#4E57B2

secondary

#C4C098

accent

#C559CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57B2

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

Preview Lab → · Contrast checker → · Palette generator →