#5177BF#5177BF

#5177BF is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.5% C 0.120 H 262.2°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5177BF
RGB	rgb(81, 119, 191)
HSL	hsl(219, 46%, 53%)
HSV	hsv(219, 58%, 75%)
CMYK	cmyk(57.6%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(50.34, 8.41, -41.82)
CIE-LCH	lch(50.34, 42.66, 281.36°)
OKLab	oklab(57.45% -0.0162 -0.1185)
OKLCH	oklch(57.45% 0.12 262.2)
XYZ	xyz(19.3909, 18.7030, 51.8683)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177BF #BF9951

analogous

#51AEBF #5177BF #6251BF

triadic

#5177BF #BF5177 #77BF51

tetradic

#5177BF #BF51AE #BF9951 #51BF62

square

#5177BF #BF51AE #BF9951 #51BF62

split-complementary

#5177BF #BF6251 #AEBF51

monochromatic

#28406D #395A9A #5177BF #7E9ACF #AABDE0

Accessibility & contrast

On white

4.43

#5177BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#5177BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177BF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177BF	#FFFFFF	#000000	##000000
##5177BF	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC2

Deuteranopia (green-blind)

#4B73BD

Tritanopia (blue-blind)

#008792

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5177bf;
/* rgb */ color: rgb(81, 119, 191);
/* oklch */ color: oklch(57.5% 0.120 262.2);

Tailwind

colors: {
  custom: {
    50: '#8a9dd2',
    500: '#5177bf',
    950: '#000000',
  },
}

SCSS

$custom: #5177bf;
$custom-light: #8a9dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5177bf",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 219.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57451,
    "c": 0.11962,
    "h": 262.2
  },
  "luminance": 0.18705
}

Semantic roles & 50–950 ramp

primary

#5177BF

secondary

#CEBD9E

accent

#A852D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5177BF

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

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