#4B57AF#4B57AF

#4B57AF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.139 H 274.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4B57AF
RGB	rgb(75, 87, 175)
HSL	hsl(233, 40%, 49%)
HSV	hsv(233, 57%, 69%)
CMYK	cmyk(57.1%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(40.26, 21.86, -48.61)
CIE-LCH	lch(40.26, 53.29, 294.21°)
OKLab	oklab(49.33% 0.0104 -0.1389)
OKLCH	oklch(49.33% 0.139 274.3)
XYZ	xyz(14.0452, 11.4064, 42.0107)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57AF #AFA34B

analogous

#4B89AF #4B57AF #714BAF

triadic

#4B57AF #AF4B57 #57AF4B

tetradic

#4B57AF #AF4B89 #AFA34B #4BAF71

square

#4B57AF #AF4B89 #AFA34B #4BAF71

split-complementary

#4B57AF #AF714B #89AF4B

monochromatic

#262C59 #394284 #4B57AF #747DC3 #9FA5D6

Accessibility & contrast

On white

6.40

#4B57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4B57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57AF

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57AF	#FFFFFF	#000000	##FFFFFF
##4B57AF	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A63B2

Deuteranopia (green-blind)

#1A5BAD

Tritanopia (blue-blind)

#0E6B7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4b57af;
/* rgb */ color: rgb(75, 87, 175);
/* oklch */ color: oklch(49.3% 0.139 274.3);

Tailwind

colors: {
  custom: {
    50: '#8686c7',
    500: '#4b57af',
    950: '#000000',
  },
}

SCSS

$custom: #4b57af;
$custom-light: #8686c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57af",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 232.8,
    "s": 40,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49333,
    "c": 0.13926,
    "h": 274.3
  },
  "luminance": 0.11407
}

Semantic roles & 50–950 ramp

primary

#4B57AF

secondary

#C2BD93

accent

#C158D0

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4B57AF

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

Preview Lab → · Contrast checker → · Palette generator →