#5A91E9#5A91E9

#5A91E9 is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.144 H 259.4°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#5A91E9
RGB	rgb(90, 145, 233)
HSL	hsl(217, 76%, 63%)
HSV	hsv(217, 61%, 91%)
CMYK	cmyk(61.4%, 37.8%, 0%, 8.6%)
CIE-LAB	lab(60.16, 8.49, -49.91)
CIE-LCH	lch(60.16, 50.63, 279.65°)
OKLab	oklab(65.9% -0.0265 -0.1417)
OKLCH	oklch(65.9% 0.144 259.4)
XYZ	xyz(29.0446, 28.3050, 81.0078)
Luminance	0.2831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91E9 #E9B25A

analogous

#5AD9E9 #5A91E9 #6A5AE9

triadic

#5A91E9 #E95A91 #91E95A

tetradic

#5A91E9 #E95AD9 #E9B25A #5AE96A

square

#5A91E9 #E95AD9 #E9B25A #5AE96A

split-complementary

#5A91E9 #E96A5A #D9E95A

monochromatic

#1853B1 #246DE2 #5A91E9 #90B5F0 #C6D9F7

Accessibility & contrast

On white

3.15

#5A91E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#5A91E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91E9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91E9	#FFFFFF	#000000	##000000
##5A91E9	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B98ED

Deuteranopia (green-blind)

#578BE7

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5a91e9;
/* rgb */ color: rgb(90, 145, 233);
/* oklch */ color: oklch(65.9% 0.144 259.4);

Tailwind

colors: {
  custom: {
    50: '#94b0f0',
    500: '#5a91e9',
    950: '#000000',
  },
}

SCSS

$custom: #5a91e9;
$custom-light: #94b0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91e9",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 233
  },
  "hsl": {
    "h": 216.923,
    "s": 76.471,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65901,
    "c": 0.1442,
    "h": 259.4
  },
  "luminance": 0.28308
}

Semantic roles & 50–950 ramp

primary

#5A91E9

secondary

#E9D5B6

accent

#8A0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5A91E9

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

Preview Lab → · Contrast checker → · Palette generator →