#5791EB#5791EB

#5791EB is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.148 H 258.9°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#5791EB
RGB	rgb(87, 145, 235)
HSL	hsl(216, 79%, 63%)
HSV	hsv(216, 63%, 92%)
CMYK	cmyk(63%, 38.3%, 0%, 7.8%)
CIE-LAB	lab(60.13, 8.62, -51.07)
CIE-LCH	lch(60.13, 51.79, 279.58°)
OKLab	oklab(65.88% -0.0285 -0.1452)
OKLCH	oklch(65.88% 0.148 258.9)
XYZ	xyz(29.0459, 28.2725, 82.5076)
Luminance	0.2828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5791EB #EBB157

analogous

#57DBEB #5791EB #6757EB

triadic

#5791EB #EB5791 #91EB57

tetradic

#5791EB #EB57DB #EBB157 #57EB67

square

#5791EB #EB57DB #EBB157 #57EB67

split-complementary

#5791EB #EB6757 #DBEB57

monochromatic

#1553B2 #206DE4 #5791EB #8EB5F2 #C4D9F8

Accessibility & contrast

On white

3.16

#5791EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#5791EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5791EB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5791EB	#FFFFFF	#000000	##000000
##5791EB	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EF

Deuteranopia (green-blind)

#548BE9

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5791eb;
/* rgb */ color: rgb(87, 145, 235);
/* oklch */ color: oklch(65.9% 0.148 258.9);

Tailwind

colors: {
  custom: {
    50: '#93b0f2',
    500: '#5791eb',
    950: '#000000',
  },
}

SCSS

$custom: #5791eb;
$custom-light: #93b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5791eb",
  "rgb": {
    "r": 87,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 216.486,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65875,
    "c": 0.14796,
    "h": 258.9
  },
  "luminance": 0.28275
}

Semantic roles & 50–950 ramp

primary

#5791EB

secondary

#E9D5B4

accent

#890ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5791EB

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

Preview Lab → · Contrast checker → · Palette generator →