#4E57AF#4E57AF

#4E57AF is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.139 H 275.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4E57AF
RGB	rgb(78, 87, 175)
HSL	hsl(234, 38%, 50%)
HSV	hsv(234, 55%, 69%)
CMYK	cmyk(55.4%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(40.46, 22.48, -48.27)
CIE-LCH	lch(40.46, 53.25, 294.97°)
OKLab	oklab(49.54% 0.0138 -0.1378)
OKLCH	oklch(49.54% 0.139 275.7)
XYZ	xyz(14.2855, 11.5303, 42.0219)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57AF #AFA64E

analogous

#4E88AF #4E57AF #764EAF

triadic

#4E57AF #AF4E57 #57AF4E

tetradic

#4E57AF #AF4E88 #AFA64E #4EAF76

square

#4E57AF #AF4E88 #AFA64E #4EAF76

split-complementary

#4E57AF #AF764E #88AF4E

monochromatic

#282D5A #3B4285 #4E57AF #787FC3 #A2A7D6

Accessibility & contrast

On white

6.35

#4E57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4E57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57AF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57AF	#FFFFFF	#000000	##FFFFFF
##4E57AF	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B64B2

Deuteranopia (green-blind)

#1D5BAD

Tritanopia (blue-blind)

#1C6B7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e57af;
/* rgb */ color: rgb(78, 87, 175);
/* oklch */ color: oklch(49.5% 0.139 275.7);

Tailwind

colors: {
  custom: {
    50: '#8786c7',
    500: '#4e57af',
    950: '#000000',
  },
}

SCSS

$custom: #4e57af;
$custom-light: #8786c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57af",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 234.433,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49539,
    "c": 0.1385,
    "h": 275.7
  },
  "luminance": 0.11531
}

Semantic roles & 50–950 ramp

primary

#4E57AF

secondary

#C3BE96

accent

#C35ACE

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E57AF

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

Preview Lab → · Contrast checker → · Palette generator →