#5791F0#5791F0

#5791F0 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.2% C 0.155 H 259.8°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#5791F0
RGB	rgb(87, 145, 240)
HSL	hsl(217, 84%, 64%)
HSV	hsv(217, 64%, 94%)
CMYK	cmyk(63.7%, 39.6%, 0%, 5.9%)
CIE-LAB	lab(60.40, 10.30, -53.42)
CIE-LCH	lch(60.40, 54.40, 280.91°)
OKLab	oklab(66.16% -0.0274 -0.1521)
OKLCH	oklch(66.16% 0.155 259.8)
XYZ	xyz(29.7785, 28.5655, 86.3655)
Luminance	0.2857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5791F0 #F0B657

analogous

#57DEF0 #5791F0 #6A57F0

triadic

#5791F0 #F05791 #91F057

tetradic

#5791F0 #F057DE #F0B657 #57F06A

square

#5791F0 #F057DE #F0B657 #57F06A

split-complementary

#5791F0 #F06A57 #DEF057

monochromatic

#1152BC #1F6CEB #5791F0 #8FB6F5 #C7DBFA

Accessibility & contrast

On white

3.13

#5791F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#5791F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5791F0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5791F0	#FFFFFF	#000000	##000000
##5791F0	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6699F4

Deuteranopia (green-blind)

#508BEE

Tritanopia (blue-blind)

#00A7B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5791f0;
/* rgb */ color: rgb(87, 145, 240);
/* oklch */ color: oklch(66.2% 0.155 259.8);

Tailwind

colors: {
  custom: {
    50: '#94b0f5',
    500: '#5791f0',
    950: '#000000',
  },
}

SCSS

$custom: #5791f0;
$custom-light: #94b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5791f0",
  "rgb": {
    "r": 87,
    "g": 145,
    "b": 240
  },
  "hsl": {
    "h": 217.255,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.66164,
    "c": 0.15451,
    "h": 259.8
  },
  "luminance": 0.28568
}

Semantic roles & 50–950 ramp

primary

#5791F0

secondary

#ECD8B7

accent

#8D05E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5791F0

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

Preview Lab → · Contrast checker → · Palette generator →