#5A91E5#5A91E5

#5A91E5 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.7% C 0.139 H 258.6°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#5A91E5
RGB	rgb(90, 145, 229)
HSL	hsl(216, 73%, 63%)
HSV	hsv(216, 61%, 90%)
CMYK	cmyk(60.7%, 36.7%, 0%, 10.2%)
CIE-LAB	lab(59.96, 7.17, -48.01)
CIE-LCH	lch(59.96, 48.55, 278.49°)
OKLab	oklab(65.68% -0.0274 -0.1362)
OKLCH	oklch(65.68% 0.139 258.6)
XYZ	xyz(28.4797, 28.0790, 78.0325)
Luminance	0.2808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91E5 #E5AE5A

analogous

#5AD7E5 #5A91E5 #685AE5

triadic

#5A91E5 #E55A91 #91E55A

tetradic

#5A91E5 #E55AD7 #E5AE5A #5AE568

square

#5A91E5 #E55AD7 #E5AE5A #5AE568

split-complementary

#5A91E5 #E5685A #D7E55A

monochromatic

#1B53AA #256EDD #5A91E5 #8FB4ED #C4D7F6

Accessibility & contrast

On white

3.17

#5A91E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#5A91E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91E5

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91E5	#FFFFFF	#000000	##000000
##5A91E5	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D98E8

Deuteranopia (green-blind)

#5A8BE3

Tritanopia (blue-blind)

#00A4B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5a91e5;
/* rgb */ color: rgb(90, 145, 229);
/* oklch */ color: oklch(65.7% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#94b0ed',
    500: '#5a91e5',
    950: '#000000',
  },
}

SCSS

$custom: #5a91e5;
$custom-light: #94b0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91e5",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 229
  },
  "hsl": {
    "h": 216.259,
    "s": 72.775,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65676,
    "c": 0.13892,
    "h": 258.6
  },
  "luminance": 0.28082
}

Semantic roles & 50–950 ramp

primary

#5A91E5

secondary

#E7D3B4

accent

#8711D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5A91E5

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

Preview Lab → · Contrast checker → · Palette generator →