#5A91EC#5A91EC

#5A91EC is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.148 H 260.0°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#5A91EC
RGB	rgb(90, 145, 236)
HSL	hsl(217, 79%, 64%)
HSV	hsv(217, 62%, 93%)
CMYK	cmyk(61.9%, 38.6%, 0%, 7.5%)
CIE-LAB	lab(60.32, 9.48, -51.32)
CIE-LCH	lch(60.32, 52.19, 280.47°)
OKLab	oklab(66.07% -0.0258 -0.1459)
OKLCH	oklch(66.07% 0.148 260)
XYZ	xyz(29.4768, 28.4779, 83.2840)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91EC #ECB55A

analogous

#5ADAEC #5A91EC #6C5AEC

triadic

#5A91EC #EC5A91 #91EC5A

tetradic

#5A91EC #EC5ADA #ECB55A #5AEC6C

square

#5A91EC #EC5ADA #ECB55A #5AEC6C

split-complementary

#5A91EC #EC6C5A #DAEC5A

monochromatic

#1552B7 #236CE6 #5A91EC #91B6F2 #C8DAF9

Accessibility & contrast

On white

3.14

#5A91EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#5A91EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91EC

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91EC	#FFFFFF	#000000	##000000
##5A91EC	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6999F0

Deuteranopia (green-blind)

#558BEA

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5a91ec;
/* rgb */ color: rgb(90, 145, 236);
/* oklch */ color: oklch(66.1% 0.148 260.0);

Tailwind

colors: {
  custom: {
    50: '#95b0f2',
    500: '#5a91ec',
    950: '#000000',
  },
}

SCSS

$custom: #5a91ec;
$custom-light: #95b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91ec",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 236
  },
  "hsl": {
    "h": 217.397,
    "s": 79.348,
    "l": 63.922
  },
  "oklch": {
    "l": 0.66071,
    "c": 0.14815,
    "h": 260
  },
  "luminance": 0.28481
}

Semantic roles & 50–950 ramp

primary

#5A91EC

secondary

#EBD7B7

accent

#8D0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5A91EC

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

Preview Lab → · Contrast checker → · Palette generator →