#5791EF#5791EF

#5791EF is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.153 H 259.6°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#5791EF
RGB	rgb(87, 145, 239)
HSL	hsl(217, 83%, 64%)
HSV	hsv(217, 64%, 94%)
CMYK	cmyk(63.6%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.34, 9.96, -52.95)
CIE-LCH	lch(60.34, 53.88, 280.66°)
OKLab	oklab(66.11% -0.0276 -0.1507)
OKLCH	oklch(66.11% 0.153 259.6)
XYZ	xyz(29.6303, 28.5062, 85.5854)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5791EF #EFB557

analogous

#57DDEF #5791EF #6957EF

triadic

#5791EF #EF5791 #91EF57

tetradic

#5791EF #EF57DD #EFB557 #57EF69

square

#5791EF #EF57DD #EFB557 #57EF69

split-complementary

#5791EF #EF6957 #DDEF57

monochromatic

#1252BA #1F6CEA #5791EF #8FB6F4 #C7DAFA

Accessibility & contrast

On white

3.13

#5791EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#5791EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5791EF

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5791EF	#FFFFFF	#000000	##000000
##5791EF	1.00	3.13	6.70	6.70
#FFFFFF	3.13	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)

#6799F3

Deuteranopia (green-blind)

#518BED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5791ef;
/* rgb */ color: rgb(87, 145, 239);
/* oklch */ color: oklch(66.1% 0.153 259.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5791ef",
  "rgb": {
    "r": 87,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 217.105,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.66106,
    "c": 0.1532,
    "h": 259.6
  },
  "luminance": 0.28509
}

Semantic roles & 50–950 ramp

primary

#5791EF

secondary

#ECD7B6

accent

#8C06DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5791EF

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

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