#5057CC#5057CC

#5057CC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.178 H 275.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5057CC
RGB	rgb(80, 87, 204)
HSL	hsl(237, 55%, 56%)
HSV	hsv(237, 61%, 80%)
CMYK	cmyk(60.8%, 57.4%, 0%, 20%)
CIE-LAB	lab(42.58, 32.55, -61.75)
CIE-LCH	lch(42.58, 69.80, 297.79°)
OKLab	oklab(51.8% 0.0176 -0.1774)
OKLCH	oklch(51.8% 0.178 275.7)
XYZ	xyz(17.6120, 12.8801, 58.6730)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5057CC #CCC550

analogous

#5095CC #5057CC #8750CC

triadic

#5057CC #CC5057 #57CC50

tetradic

#5057CC #CC5095 #CCC550 #50CC87

square

#5057CC #CC5095 #CCC550 #50CC87

split-complementary

#5057CC #CC8750 #95CC50

monochromatic

#24297D #3239AD #5057CC #7F84DA #AFB2E8

Accessibility & contrast

On white

5.87

#5057CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5057CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5057CC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5057CC	#FFFFFF	#000000	##FFFFFF
##5057CC	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5057cc;
/* rgb */ color: rgb(80, 87, 204);
/* oklch */ color: oklch(51.8% 0.178 275.7);

Tailwind

colors: {
  custom: {
    50: '#8d86dc',
    500: '#5057cc',
    950: '#000000',
  },
}

SCSS

$custom: #5057cc;
$custom-light: #8d86dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5057cc",
  "rgb": {
    "r": 80,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 236.613,
    "s": 54.867,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51796,
    "c": 0.17827,
    "h": 275.7
  },
  "luminance": 0.12881
}

Semantic roles & 50–950 ramp

primary

#5057CC

secondary

#D6D3A2

accent

#D64ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5057CC

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

Preview Lab → · Contrast checker → · Palette generator →