#5177CA#5177CA

#5177CA is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.135 H 264.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5177CA
RGB	rgb(81, 119, 202)
HSL	hsl(221, 53%, 55%)
HSV	hsv(221, 60%, 79%)
CMYK	cmyk(59.9%, 41.1%, 0%, 20.8%)
CIE-LAB	lab(50.93, 12.09, -47.19)
CIE-LCH	lch(50.93, 48.71, 284.37°)
OKLab	oklab(58.1% -0.0138 -0.1342)
OKLCH	oklch(58.1% 0.135 264.1)
XYZ	xyz(20.6472, 19.2055, 58.4846)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177CA #CAA451

analogous

#51B3CA #5177CA #6751CA

triadic

#5177CA #CA5177 #77CA51

tetradic

#5177CA #CA51B3 #CAA451 #51CA67

square

#5177CA #CA51B3 #CAA451 #51CA67

split-complementary

#5177CA #CA6751 #B3CA51

monochromatic

#25407B #3459AA #5177CA #809CD8 #AFC0E7

Accessibility & contrast

On white

4.34

#5177CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5177CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177CA

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177CA	#FFFFFF	#000000	##000000
##5177CA	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537FCD

Deuteranopia (green-blind)

#4274C8

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5177ca;
/* rgb */ color: rgb(81, 119, 202);
/* oklch */ color: oklch(58.1% 0.135 264.1);

Tailwind

colors: {
  custom: {
    50: '#8c9dda',
    500: '#5177ca',
    950: '#000000',
  },
}

SCSS

$custom: #5177ca;
$custom-light: #8c9dda;
$custom-dark: #000000;

JSON

{
  "hex": "#5177ca",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 202
  },
  "hsl": {
    "h": 221.157,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58098,
    "c": 0.13492,
    "h": 264.1
  },
  "luminance": 0.19207
}

Semantic roles & 50–950 ramp

primary

#5177CA

secondary

#D5C5A2

accent

#AF4BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5177CA

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

Preview Lab → · Contrast checker → · Palette generator →