#5177CD#5177CD

#5177CD is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.3% C 0.139 H 264.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5177CD
RGB	rgb(81, 119, 205)
HSL	hsl(222, 55%, 56%)
HSV	hsv(222, 60%, 80%)
CMYK	cmyk(60.5%, 42%, 0%, 19.6%)
CIE-LAB	lab(51.09, 13.11, -48.63)
CIE-LCH	lch(51.09, 50.37, 285.08°)
OKLab	oklab(58.28% -0.0133 -0.1384)
OKLCH	oklch(58.28% 0.139 264.5)
XYZ	xyz(21.0058, 19.3490, 60.3735)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177CD #CDA751

analogous

#51B5CD #5177CD #6951CD

triadic

#5177CD #CD5177 #77CD51

tetradic

#5177CD #CD51B5 #CDA751 #51CD69

square

#5177CD #CD51B5 #CDA751 #51CD69

split-complementary

#5177CD #CD6951 #B5CD51

monochromatic

#25407F #3258AF #5177CD #819CDB #B0C1E8

Accessibility & contrast

On white

4.31

#5177CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#5177CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177CD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177CD	#FFFFFF	#000000	##000000
##5177CD	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D0

Deuteranopia (green-blind)

#3F74CB

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5177cd;
/* rgb */ color: rgb(81, 119, 205);
/* oklch */ color: oklch(58.3% 0.139 264.5);

Tailwind

colors: {
  custom: {
    50: '#8c9ddd',
    500: '#5177cd',
    950: '#000000',
  },
}

SCSS

$custom: #5177cd;
$custom-light: #8c9ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#5177cd",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 221.613,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5828,
    "c": 0.13908,
    "h": 264.5
  },
  "luminance": 0.19351
}

Semantic roles & 50–950 ramp

primary

#5177CD

secondary

#D7C7A3

accent

#B149DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5177CD

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

Preview Lab → · Contrast checker → · Palette generator →