#5176CB#5176CB

#5176CB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.138 H 264.7°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5176CB
RGB	rgb(81, 118, 203)
HSL	hsl(222, 54%, 56%)
HSV	hsv(222, 60%, 80%)
CMYK	cmyk(60.1%, 41.9%, 0%, 20.4%)
CIE-LAB	lab(50.71, 13.04, -48.11)
CIE-LCH	lch(50.71, 49.84, 285.17°)
OKLab	oklab(57.95% -0.0126 -0.1369)
OKLCH	oklch(57.95% 0.138 264.7)
XYZ	xyz(20.6476, 19.0162, 59.0707)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5176CB #CBA651

analogous

#51B3CB #5176CB #6951CB

triadic

#5176CB #CB5176 #76CB51

tetradic

#5176CB #CB51B3 #CBA651 #51CB69

square

#5176CB #CB51B3 #CBA651 #51CB69

split-complementary

#5176CB #CB6951 #B3CB51

monochromatic

#25407C #3358AC #5176CB #809BD9 #AFC0E7

Accessibility & contrast

On white

4.37

#5176CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5176CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5176CB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5176CB	#FFFFFF	#000000	##000000
##5176CB	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FCE

Deuteranopia (green-blind)

#3F74C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5176cb;
/* rgb */ color: rgb(81, 118, 203);
/* oklch */ color: oklch(57.9% 0.138 264.7);

Tailwind

colors: {
  custom: {
    50: '#8c9ddb',
    500: '#5176cb',
    950: '#000000',
  },
}

SCSS

$custom: #5176cb;
$custom-light: #8c9ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#5176cb",
  "rgb": {
    "r": 81,
    "g": 118,
    "b": 203
  },
  "hsl": {
    "h": 221.803,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57946,
    "c": 0.1375,
    "h": 264.7
  },
  "luminance": 0.19018
}

Semantic roles & 50–950 ramp

primary

#5176CB

secondary

#D5C6A3

accent

#B14ADD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5176CB

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

Preview Lab → · Contrast checker → · Palette generator →