#5B91F2#5B91F2

#5B91F2 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.5% C 0.156 H 261.2°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B91F2
RGB	rgb(91, 145, 242)
HSL	hsl(219, 85%, 65%)
HSV	hsv(219, 62%, 95%)
CMYK	cmyk(62.4%, 40.1%, 0%, 5.1%)
CIE-LAB	lab(60.68, 11.66, -54.06)
CIE-LCH	lch(60.68, 55.31, 282.17°)
OKLab	oklab(66.47% -0.0238 -0.1539)
OKLCH	oklch(66.47% 0.156 261.2)
XYZ	xyz(30.4612, 28.8829, 87.9569)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B91F2 #F2BC5B

analogous

#5BDDF2 #5B91F2 #705BF2

triadic

#5B91F2 #F25B91 #91F25B

tetradic

#5B91F2 #F25BDD #F2BC5B #5BF270

square

#5B91F2 #F25BDD #F2BC5B #5BF270

split-complementary

#5B91F2 #F2705B #DDF25B

monochromatic

#0F50C3 #226BEE #5B91F2 #94B7F6 #CCDDFB

Accessibility & contrast

On white

3.10

#5B91F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#5B91F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91F2

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B91F2	#FFFFFF	#000000	##000000
##5B91F2	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#669AF6

Deuteranopia (green-blind)

#508CF0

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5b91f2;
/* rgb */ color: rgb(91, 145, 242);
/* oklch */ color: oklch(66.5% 0.156 261.2);

Tailwind

colors: {
  custom: {
    50: '#96b0f7',
    500: '#5b91f2',
    950: '#000000',
  },
}

SCSS

$custom: #5b91f2;
$custom-light: #96b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b91f2",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 242
  },
  "hsl": {
    "h": 218.543,
    "s": 85.311,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66465,
    "c": 0.15571,
    "h": 261.2
  },
  "luminance": 0.28886
}

Semantic roles & 50–950 ramp

primary

#5B91F2

secondary

#EEDCBB

accent

#9204E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B91F2

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

Preview Lab → · Contrast checker → · Palette generator →