#4457CF#4457CF

#4457CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.185 H 271.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4457CF
RGB	rgb(68, 87, 207)
HSL	hsl(232, 59%, 54%)
HSV	hsv(232, 67%, 81%)
CMYK	cmyk(67.1%, 58%, 0%, 18.8%)
CIE-LAB	lab(42.08, 31.67, -64.33)
CIE-LCH	lch(42.08, 71.70, 296.21°)
OKLab	oklab(51.3% 0.0046 -0.1853)
OKLCH	oklch(51.3% 0.185 271.4)
XYZ	xyz(17.0508, 12.5487, 60.5430)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4457CF #CFBC44

analogous

#449CCF #4457CF #7744CF

triadic

#4457CF #CF4457 #57CF44

tetradic

#4457CF #CF449C #CFBC44 #44CF77

square

#4457CF #CF449C #CFBC44 #44CF77

split-complementary

#4457CF #CF7744 #9CCF44

monochromatic

#1F2C79 #2C3DAA #4457CF #7583DC #A5AFE8

Accessibility & contrast

On white

5.98

#4457CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4457CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4457CF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4457CF	#FFFFFF	#000000	##FFFFFF
##4457CF	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4457cf;
/* rgb */ color: rgb(68, 87, 207);
/* oklch */ color: oklch(51.3% 0.185 271.4);

Tailwind

colors: {
  custom: {
    50: '#8886df',
    500: '#4457cf',
    950: '#000000',
  },
}

SCSS

$custom: #4457cf;
$custom-light: #8886df;
$custom-dark: #000000;

JSON

{
  "hex": "#4457cf",
  "rgb": {
    "r": 68,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 231.799,
    "s": 59.149,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51297,
    "c": 0.18536,
    "h": 271.4
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#4457CF

secondary

#D5CD9A

accent

#CD45E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4457CF

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

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