#5D91EF#5D91EF

#5D91EF is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.4% C 0.151 H 261.4°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#5D91EF
RGB	rgb(93, 145, 239)
HSL	hsl(219, 82%, 65%)
HSV	hsv(219, 61%, 94%)
CMYK	cmyk(61.1%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.61, 11.02, -52.51)
CIE-LCH	lch(60.61, 53.65, 281.85°)
OKLab	oklab(66.39% -0.0227 -0.1493)
OKLCH	oklch(66.39% 0.151 261.4)
XYZ	xyz(30.2141, 28.8072, 85.6127)
Luminance	0.2881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D91EF #EFBB5D

analogous

#5DDAEF #5D91EF #725DEF

triadic

#5D91EF #EF5D91 #91EF5D

tetradic

#5D91EF #EF5DDA #EFBB5D #5DEF72

square

#5D91EF #EF5DDA #EFBB5D #5DEF72

split-complementary

#5D91EF #EF725D #DAEF5D

monochromatic

#1350BF #256BE9 #5D91EF #95B7F5 #CCDDFA

Accessibility & contrast

On white

3.11

#5D91EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#5D91EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5D91EF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D91EF	#FFFFFF	#000000	##000000
##5D91EF	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6899F3

Deuteranopia (green-blind)

#538CED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5d91ef;
/* rgb */ color: rgb(93, 145, 239);
/* oklch */ color: oklch(66.4% 0.151 261.4);

Tailwind

colors: {
  custom: {
    50: '#97b0f5',
    500: '#5d91ef',
    950: '#000000',
  },
}

SCSS

$custom: #5d91ef;
$custom-light: #97b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5d91ef",
  "rgb": {
    "r": 93,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 218.63,
    "s": 82.022,
    "l": 65.098
  },
  "oklch": {
    "l": 0.66386,
    "c": 0.15102,
    "h": 261.4
  },
  "luminance": 0.2881
}

Semantic roles & 50–950 ramp

primary

#5D91EF

secondary

#EDDBBB

accent

#9207DE

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5D91EF

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

Preview Lab → · Contrast checker → · Palette generator →