#5991F1#5991F1

#5991F1 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.3% C 0.155 H 260.5°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#5991F1
RGB	rgb(89, 145, 241)
HSL	hsl(218, 84%, 65%)
HSV	hsv(218, 63%, 95%)
CMYK	cmyk(63.1%, 39.8%, 0%, 5.5%)
CIE-LAB	lab(60.54, 10.98, -53.74)
CIE-LCH	lch(60.54, 54.85, 281.54°)
OKLab	oklab(66.31% -0.0256 -0.153)
OKLCH	oklch(66.31% 0.155 260.5)
XYZ	xyz(30.1168, 28.7227, 87.1589)
Luminance	0.2873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991F1 #F1B959

analogous

#59DDF1 #5991F1 #6D59F1

triadic

#5991F1 #F15991 #91F159

tetradic

#5991F1 #F159DD #F1B959 #59F16D

square

#5991F1 #F159DD #F1B959 #59F16D

split-complementary

#5991F1 #F16D59 #DDF159

monochromatic

#1051BF #216CEC #5991F1 #91B6F6 #CADCFB

Accessibility & contrast

On white

3.11

#5991F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#5991F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991F1

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991F1	#FFFFFF	#000000	##000000
##5991F1	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#669AF5

Deuteranopia (green-blind)

#508BEF

Tritanopia (blue-blind)

#00A7B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5991f1;
/* rgb */ color: rgb(89, 145, 241);
/* oklch */ color: oklch(66.3% 0.155 260.5);

Tailwind

colors: {
  custom: {
    50: '#95b0f6',
    500: '#5991f1',
    950: '#000000',
  },
}

SCSS

$custom: #5991f1;
$custom-light: #95b0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5991f1",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 241
  },
  "hsl": {
    "h": 217.895,
    "s": 84.444,
    "l": 64.706
  },
  "oklch": {
    "l": 0.66313,
    "c": 0.15511,
    "h": 260.5
  },
  "luminance": 0.28726
}

Semantic roles & 50–950 ramp

primary

#5991F1

secondary

#EDDAB9

accent

#9005E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5991F1

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

Preview Lab → · Contrast checker → · Palette generator →