#5C91EF#5C91EF

#5C91EF is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.3% C 0.151 H 261.1°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#5C91EF
RGB	rgb(92, 145, 239)
HSL	hsl(218, 82%, 65%)
HSV	hsv(218, 62%, 94%)
CMYK	cmyk(61.5%, 39.3%, 0%, 6.3%)
CIE-LAB	lab(60.57, 10.84, -52.58)
CIE-LCH	lch(60.57, 53.69, 281.65°)
OKLab	oklab(66.34% -0.0236 -0.1495)
OKLCH	oklch(66.34% 0.151 261.1)
XYZ	xyz(30.1136, 28.7554, 85.6080)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C91EF #EFBA5C

analogous

#5CDBEF #5C91EF #705CEF

triadic

#5C91EF #EF5C91 #91EF5C

tetradic

#5C91EF #EF5CDB #EFBA5C #5CEF70

square

#5C91EF #EF5CDB #EFBA5C #5CEF70

split-complementary

#5C91EF #EF705C #DBEF5C

monochromatic

#1350BE #246BEA #5C91EF #94B7F4 #CBDCFA

Accessibility & contrast

On white

3.11

#5C91EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#5C91EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5C91EF

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C91EF	#FFFFFF	#000000	##000000
##5C91EF	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)

#6899F3

Deuteranopia (green-blind)

#538CED

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5c91ef;
/* rgb */ color: rgb(92, 145, 239);
/* oklch */ color: oklch(66.3% 0.151 261.1);

Tailwind

colors: {
  custom: {
    50: '#96b0f5',
    500: '#5c91ef',
    950: '#000000',
  },
}

SCSS

$custom: #5c91ef;
$custom-light: #96b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5c91ef",
  "rgb": {
    "r": 92,
    "g": 145,
    "b": 239
  },
  "hsl": {
    "h": 218.367,
    "s": 82.123,
    "l": 64.902
  },
  "oklch": {
    "l": 0.66338,
    "c": 0.15138,
    "h": 261.1
  },
  "luminance": 0.28758
}

Semantic roles & 50–950 ramp

primary

#5C91EF

secondary

#ECDABA

accent

#9107DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5C91EF

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

Preview Lab → · Contrast checker → · Palette generator →