#5177E5#5177E5

#5177E5 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.8% C 0.172 H 266.8°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#5177E5
RGB	rgb(81, 119, 229)
HSL	hsl(225, 74%, 61%)
HSV	hsv(225, 65%, 90%)
CMYK	cmyk(64.6%, 48%, 0%, 10.2%)
CIE-LAB	lab(52.51, 21.30, -59.93)
CIE-LCH	lch(52.51, 63.60, 289.57°)
OKLab	oklab(59.82% -0.0095 -0.1716)
OKLCH	oklch(59.82% 0.172 266.8)
XYZ	xyz(24.1281, 20.5979, 76.8178)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5177E5 #E5BF51

analogous

#51C1E5 #5177E5 #7551E5

triadic

#5177E5 #E55177 #77E551

tetradic

#5177E5 #E551C1 #E5BF51 #51E575

square

#5177E5 #E551C1 #E5BF51 #51E575

split-complementary

#5177E5 #E57551 #C1E551

monochromatic

#183CA3 #2050D8 #5177E5 #86A1ED #BBCAF5

Accessibility & contrast

On white

4.10

#5177E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#5177E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5177E5

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5177E5	#FFFFFF	#000000	##000000
##5177E5	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D84E9

Deuteranopia (green-blind)

#1A77E3

Tritanopia (blue-blind)

#0090A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5177e5;
/* rgb */ color: rgb(81, 119, 229);
/* oklch */ color: oklch(59.8% 0.172 266.8);

Tailwind

colors: {
  custom: {
    50: '#909dee',
    500: '#5177e5',
    950: '#000000',
  },
}

SCSS

$custom: #5177e5;
$custom-light: #909dee;
$custom-dark: #000000;

JSON

{
  "hex": "#5177e5",
  "rgb": {
    "r": 81,
    "g": 119,
    "b": 229
  },
  "hsl": {
    "h": 224.595,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.59819,
    "c": 0.17191,
    "h": 266.8
  },
  "luminance": 0.206
}

Semantic roles & 50–950 ramp

primary

#5177E5

secondary

#E5D7AD

accent

#A30FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5177E5

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

Preview Lab → · Contrast checker → · Palette generator →