#5791F3#5791F3

#5791F3 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.3% C 0.158 H 260.3°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#5791F3
RGB	rgb(87, 145, 243)
HSL	hsl(218, 87%, 65%)
HSV	hsv(218, 64%, 95%)
CMYK	cmyk(64.2%, 40.3%, 0%, 4.7%)
CIE-LAB	lab(60.56, 11.31, -54.82)
CIE-LCH	lch(60.56, 55.97, 281.66°)
OKLab	oklab(66.34% -0.0268 -0.1562)
OKLCH	oklch(66.34% 0.158 260.3)
XYZ	xyz(30.2278, 28.7452, 88.7320)
Luminance	0.2875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5791F3 #F3B957

analogous

#57DFF3 #5791F3 #6B57F3

triadic

#5791F3 #F35791 #91F357

tetradic

#5791F3 #F357DF #F3B957 #57F36B

square

#5791F3 #F357DF #F3B957 #57F36B

split-complementary

#5791F3 #F36B57 #DFF357

monochromatic

#0E51C2 #1E6CEF #5791F3 #90B6F7 #C9DCFB

Accessibility & contrast

On white

3.11

#5791F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#5791F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5791F3

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5791F3	#FFFFFF	#000000	##000000
##5791F3	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)

#659AF7

Deuteranopia (green-blind)

#4D8BF1

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5791f3;
/* rgb */ color: rgb(87, 145, 243);
/* oklch */ color: oklch(66.3% 0.158 260.3);

Tailwind

colors: {
  custom: {
    50: '#94b0f7',
    500: '#5791f3',
    950: '#000000',
  },
}

SCSS

$custom: #5791f3;
$custom-light: #94b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5791f3",
  "rgb": {
    "r": 87,
    "g": 145,
    "b": 243
  },
  "hsl": {
    "h": 217.692,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.6634,
    "c": 0.15845,
    "h": 260.3
  },
  "luminance": 0.28748
}

Semantic roles & 50–950 ramp

primary

#5791F3

secondary

#EEDAB8

accent

#9002E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5791F3

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

Preview Lab → · Contrast checker → · Palette generator →