#5177DA#5177DA

#5177DA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.1% C 0.157 H 266.0°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#5177DA
RGB	rgb(81, 119, 218)
HSL	hsl(223, 65%, 59%)
HSV	hsv(223, 63%, 85%)
CMYK	cmyk(62.8%, 45.4%, 0%, 14.5%)
CIE-LAB	lab(51.84, 17.53, -54.81)
CIE-LCH	lch(51.84, 57.54, 287.74°)
OKLab	oklab(59.1% -0.011 -0.1566)
OKLCH	oklch(59.1% 0.157 266)
XYZ	xyz(22.6407, 20.0029, 68.9839)
Luminance	0.2001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177DA #DAB451

analogous

#51BBDA #5177DA #6F51DA

triadic

#5177DA #DA5177 #77DA51

tetradic

#5177DA #DA51BB #DAB451 #51DA6F

square

#5177DA #DA51BB #DAB451 #51DA6F

split-complementary

#5177DA #DA6F51 #BBDA51

monochromatic

#1F3F92 #2A55C4 #5177DA #839EE5 #B6C6EF

Accessibility & contrast

On white

4.20

#5177DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#5177DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177DA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177DA	#FFFFFF	#000000	##000000
##5177DA	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4782DE

Deuteranopia (green-blind)

#3076D8

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5177da;
/* rgb */ color: rgb(81, 119, 218);
/* oklch */ color: oklch(59.1% 0.157 266.0);

Tailwind

colors: {
  custom: {
    50: '#8e9de6',
    500: '#5177da',
    950: '#000000',
  },
}

SCSS

$custom: #5177da;
$custom-light: #8e9de6;
$custom-dark: #000000;

JSON

{
  "hex": "#5177da",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 218
  },
  "hsl": {
    "h": 223.358,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59096,
    "c": 0.15698,
    "h": 266
  },
  "luminance": 0.20005
}

Semantic roles & 50–950 ramp

primary

#5177DA

secondary

#DECFA8

accent

#B940E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5177DA

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

Preview Lab → · Contrast checker → · Palette generator →