#5A91E4#5A91E4

#5A91E4 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.6% C 0.138 H 258.4°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5A91E4
RGB	rgb(90, 145, 228)
HSL	hsl(216, 72%, 62%)
HSV	hsv(216, 61%, 89%)
CMYK	cmyk(60.5%, 36.4%, 0%, 10.6%)
CIE-LAB	lab(59.91, 6.84, -47.54)
CIE-LCH	lch(59.91, 48.03, 278.19°)
OKLab	oklab(65.62% -0.0277 -0.1348)
OKLCH	oklch(65.62% 0.138 258.4)
XYZ	xyz(28.3405, 28.0233, 77.2993)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91E4 #E4AD5A

analogous

#5AD6E4 #5A91E4 #685AE4

triadic

#5A91E4 #E45A91 #91E45A

tetradic

#5A91E4 #E45AD6 #E4AD5A #5AE468

square

#5A91E4 #E45AD6 #E4AD5A #5AE468

split-complementary

#5A91E4 #E4685A #D6E45A

monochromatic

#1C54A8 #256EDB #5A91E4 #8FB4ED #C3D7F5

Accessibility & contrast

On white

3.18

#5A91E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#5A91E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91E4

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91E4	#FFFFFF	#000000	##000000
##5A91E4	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E97E7

Deuteranopia (green-blind)

#5B8AE2

Tritanopia (blue-blind)

#00A4B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5a91e4;
/* rgb */ color: rgb(90, 145, 228);
/* oklch */ color: oklch(65.6% 0.138 258.4);

Tailwind

colors: {
  custom: {
    50: '#94b0ed',
    500: '#5a91e4',
    950: '#000000',
  },
}

SCSS

$custom: #5a91e4;
$custom-light: #94b0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91e4",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 228
  },
  "hsl": {
    "h": 216.087,
    "s": 71.875,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65621,
    "c": 0.13761,
    "h": 258.4
  },
  "luminance": 0.28026
}

Semantic roles & 50–950 ramp

primary

#5A91E4

secondary

#E6D2B4

accent

#8612D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5A91E4

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

Preview Lab → · Contrast checker → · Palette generator →