#4E57AD#4E57AD

#4E57AD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.136 H 275.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4E57AD
RGB	rgb(78, 87, 173)
HSL	hsl(234, 38%, 49%)
HSV	hsv(234, 55%, 68%)
CMYK	cmyk(54.9%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(40.33, 21.82, -47.29)
CIE-LCH	lch(40.33, 52.08, 294.76°)
OKLab	oklab(49.4% 0.0136 -0.1349)
OKLCH	oklch(49.4% 0.136 275.8)
XYZ	xyz(14.0905, 11.4523, 40.9951)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57AD #ADA44E

analogous

#4E87AD #4E57AD #754EAD

triadic

#4E57AD #AD4E57 #57AD4E

tetradic

#4E57AD #AD4E87 #ADA44E #4EAD75

square

#4E57AD #AD4E87 #ADA44E #4EAD75

split-complementary

#4E57AD #AD754E #87AD4E

monochromatic

#282D59 #3B4283 #4E57AD #777EC2 #A1A6D5

Accessibility & contrast

On white

6.38

#4E57AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4E57AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57AD

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57AD	#FFFFFF	#000000	##FFFFFF
##4E57AD	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63B0

Deuteranopia (green-blind)

#205BAB

Tritanopia (blue-blind)

#1F6A7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e57ad;
/* rgb */ color: rgb(78, 87, 173);
/* oklch */ color: oklch(49.4% 0.136 275.8);

Tailwind

colors: {
  custom: {
    50: '#8786c6',
    500: '#4e57ad',
    950: '#000000',
  },
}

SCSS

$custom: #4e57ad;
$custom-light: #8786c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57ad",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 234.316,
    "s": 37.849,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49402,
    "c": 0.13563,
    "h": 275.8
  },
  "luminance": 0.11453
}

Semantic roles & 50–950 ramp

primary

#4E57AD

secondary

#C2BD95

accent

#C35ACE

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57AD

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

Preview Lab → · Contrast checker → · Palette generator →