#4457CB#4457CB

#4457CB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.0% C 0.180 H 271.5°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4457CB
RGB	rgb(68, 87, 203)
HSL	hsl(232, 56%, 53%)
HSV	hsv(232, 67%, 80%)
CMYK	cmyk(66.5%, 57.1%, 0%, 20.4%)
CIE-LAB	lab(41.78, 30.27, -62.51)
CIE-LCH	lch(41.78, 69.46, 295.84°)
OKLab	oklab(50.98% 0.0046 -0.1799)
OKLCH	oklch(50.98% 0.18 271.5)
XYZ	xyz(16.5679, 12.3556, 58.0001)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457CB #CBB844

analogous

#449ACB #4457CB #7544CB

triadic

#4457CB #CB4457 #57CB44

tetradic

#4457CB #CB449A #CBB844 #44CB75

square

#4457CB #CB449A #CBB844 #44CB75

split-complementary

#4457CB #CB7544 #9ACB44

monochromatic

#202C74 #2E3EA4 #4457CB #7482D8 #A4ADE6

Accessibility & contrast

On white

6.05

#4457CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4457CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457CB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457CB	#FFFFFF	#000000	##FFFFFF
##4457CB	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4457cb;
/* rgb */ color: rgb(68, 87, 203);
/* oklch */ color: oklch(51.0% 0.180 271.5);

Tailwind

colors: {
  custom: {
    50: '#8786dc',
    500: '#4457cb',
    950: '#000000',
  },
}

SCSS

$custom: #4457cb;
$custom-light: #8786dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4457cb",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 203
  },
  "hsl": {
    "h": 231.556,
    "s": 56.485,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5098,
    "c": 0.18001,
    "h": 271.5
  },
  "luminance": 0.12357
}

Semantic roles & 50–950 ramp

primary

#4457CB

secondary

#D3CA98

accent

#CA48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4457CB

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

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