#4457CA#4457CA

#4457CA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.179 H 271.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4457CA
RGB	rgb(68, 87, 202)
HSL	hsl(231, 56%, 53%)
HSV	hsv(231, 66%, 79%)
CMYK	cmyk(66.3%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(41.70, 29.92, -62.06)
CIE-LCH	lch(41.70, 68.89, 295.74°)
OKLab	oklab(50.9% 0.0045 -0.1786)
OKLCH	oklch(50.9% 0.179 271.5)
XYZ	xyz(16.4492, 12.3081, 57.3745)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457CA #CAB744

analogous

#449ACA #4457CA #7444CA

triadic

#4457CA #CA4457 #57CA44

tetradic

#4457CA #CA449A #CAB744 #44CA74

square

#4457CA #CA449A #CAB744 #44CA74

split-complementary

#4457CA #CA7444 #9ACA44

monochromatic

#212C73 #2E3FA3 #4457CA #7482D8 #A3ADE5

Accessibility & contrast

On white

6.07

#4457CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4457CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457CA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457CA	#FFFFFF	#000000	##FFFFFF
##4457CA	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4457ca;
/* rgb */ color: rgb(68, 87, 202);
/* oklch */ color: oklch(50.9% 0.179 271.5);

Tailwind

colors: {
  custom: {
    50: '#8786db',
    500: '#4457ca',
    950: '#000000',
  },
}

SCSS

$custom: #4457ca;
$custom-light: #8786db;
$custom-dark: #000000;

JSON

{
  "hex": "#4457ca",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 231.493,
    "s": 55.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50901,
    "c": 0.17867,
    "h": 271.5
  },
  "luminance": 0.1231
}

Semantic roles & 50–950 ramp

primary

#4457CA

secondary

#D2CA98

accent

#CA49DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4457CA

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

Preview Lab → · Contrast checker → · Palette generator →