#5A91EF#5A91EF

#5A91EF is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.2% C 0.152 H 260.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#5A91EF
RGB	rgb(90, 145, 239)
HSL	hsl(218, 82%, 65%)
HSV	hsv(218, 62%, 94%)
CMYK	cmyk(62.3%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.47, 10.48, -52.73)
CIE-LCH	lch(60.47, 53.77, 281.24°)
OKLab	oklab(66.24% -0.0252 -0.15)
OKLCH	oklch(66.24% 0.152 260.5)
XYZ	xyz(29.9163, 28.6537, 85.5988)
Luminance	0.2866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91EF #EFB85A

analogous

#5ADCEF #5A91EF #6E5AEF

triadic

#5A91EF #EF5A91 #91EF5A

tetradic

#5A91EF #EF5ADC #EFB85A #5AEF6E

square

#5A91EF #EF5ADC #EFB85A #5AEF6E

split-complementary

#5A91EF #EF6E5A #DCEF5A

monochromatic

#1251BC #226CEA #5A91EF #92B6F4 #CADBFA

Accessibility & contrast

On white

3.12

#5A91EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#5A91EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91EF

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91EF	#FFFFFF	#000000	##000000
##5A91EF	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6799F3

Deuteranopia (green-blind)

#528BED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5a91ef;
/* rgb */ color: rgb(90, 145, 239);
/* oklch */ color: oklch(66.2% 0.152 260.5);

Tailwind

colors: {
  custom: {
    50: '#95b0f5',
    500: '#5a91ef',
    950: '#000000',
  },
}

SCSS

$custom: #5a91ef;
$custom-light: #95b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91ef",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 217.852,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.66244,
    "c": 0.15211,
    "h": 260.5
  },
  "luminance": 0.28656
}

Semantic roles & 50–950 ramp

primary

#5A91EF

secondary

#ECD9B9

accent

#8F07DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5A91EF

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

Preview Lab → · Contrast checker → · Palette generator →