#5B77EC#5B77EC

#5B77EC is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.8% C 0.178 H 270.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5B77EC
RGB	rgb(91, 119, 236)
HSL	hsl(228, 79%, 64%)
HSV	hsv(228, 61%, 93%)
CMYK	cmyk(61.4%, 49.6%, 0%, 7.5%)
CIE-LAB	lab(53.46, 25.36, -62.28)
CIE-LCH	lch(53.46, 67.25, 292.16°)
OKLab	oklab(60.83% 0.0007 -0.1784)
OKLCH	oklch(60.83% 0.178 270.2)
XYZ	xyz(26.0464, 21.4717, 82.1125)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B77EC #ECD05B

analogous

#5BC0EC #5B77EC #885BEC

triadic

#5B77EC #EC5B77 #77EC5B

tetradic

#5B77EC #EC5BC0 #ECD05B #5BEC88

square

#5B77EC #EC5BC0 #ECD05B #5BEC88

split-complementary

#5B77EC #EC885B #C0EC5B

monochromatic

#1535B7 #244AE6 #5B77EC #92A4F2 #C9D2F9

Accessibility & contrast

On white

3.97

#5B77EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#5B77EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B77EC

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B77EC	#FFFFFF	#000000	##000000
##5B77EC	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3786F0

Deuteranopia (green-blind)

#127AEA

Tritanopia (blue-blind)

#0092A6

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b77ec;
/* rgb */ color: rgb(91, 119, 236);
/* oklch */ color: oklch(60.8% 0.178 270.2);

Tailwind

colors: {
  custom: {
    50: '#969df3',
    500: '#5b77ec',
    950: '#000000',
  },
}

SCSS

$custom: #5b77ec;
$custom-light: #969df3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b77ec",
  "rgb": {
    "r": 91,
    "g": 119,
    "b": 236
  },
  "hsl": {
    "h": 228.414,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.60825,
    "c": 0.17837,
    "h": 270.2
  },
  "luminance": 0.21474
}

Semantic roles & 50–950 ramp

primary

#5B77EC

secondary

#EBE1B8

accent

#B30ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B77EC

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

Preview Lab → · Contrast checker → · Palette generator →