#5991EF#5991EF

#5991EF is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.2% C 0.152 H 260.2°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#5991EF
RGB	rgb(89, 145, 239)
HSL	hsl(218, 82%, 64%)
HSV	hsv(218, 63%, 94%)
CMYK	cmyk(62.8%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.43, 10.31, -52.81)
CIE-LCH	lch(60.43, 53.80, 281.05°)
OKLab	oklab(66.2% -0.026 -0.1502)
OKLCH	oklch(66.2% 0.152 260.2)
XYZ	xyz(29.8197, 28.6039, 85.5942)
Luminance	0.2861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991EF #EFB759

analogous

#59DCEF #5991EF #6C59EF

triadic

#5991EF #EF5991 #91EF59

tetradic

#5991EF #EF59DC #EFB759 #59EF6C

square

#5991EF #EF59DC #EFB759 #59EF6C

split-complementary

#5991EF #EF6C59 #DCEF59

monochromatic

#1251BC #216CEA #5991EF #91B6F4 #C9DBFA

Accessibility & contrast

On white

3.12

#5991EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#5991EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991EF

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991EF	#FFFFFF	#000000	##000000
##5991EF	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6799F3

Deuteranopia (green-blind)

#528BED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5991ef;
/* rgb */ color: rgb(89, 145, 239);
/* oklch */ color: oklch(66.2% 0.152 260.2);

Tailwind

colors: {
  custom: {
    50: '#95b0f5',
    500: '#5991ef',
    950: '#000000',
  },
}

SCSS

$custom: #5991ef;
$custom-light: #95b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5991ef",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 217.6,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.66197,
    "c": 0.15248,
    "h": 260.2
  },
  "luminance": 0.28607
}

Semantic roles & 50–950 ramp

primary

#5991EF

secondary

#ECD8B8

accent

#8E07DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5991EF

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

Preview Lab → · Contrast checker → · Palette generator →