#5F55CB#5F55CB

#5F55CB is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.5% C 0.177 H 282.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#5F55CB
RGB	rgb(95, 85, 203)
HSL	hsl(245, 53%, 56%)
HSV	hsv(245, 58%, 80%)
CMYK	cmyk(53.2%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(43.12, 36.19, -60.24)
CIE-LCH	lch(43.12, 70.28, 301.00°)
OKLab	oklab(52.45% 0.0375 -0.1726)
OKLCH	oklch(52.45% 0.177 282.3)
XYZ	xyz(18.7440, 13.2406, 58.0563)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F55CB #C1CB55

analogous

#5586CB #5F55CB #9A55CB

triadic

#5F55CB #CB5F55 #55CB5F

tetradic

#5F55CB #CB5586 #C1CB55 #55CB9A

square

#5F55CB #CB5586 #C1CB55 #55CB9A

split-complementary

#5F55CB #CB9A55 #86CB55

monochromatic

#2E277F #3F35AE #5F55CB #8B84D9 #B7B3E8

Accessibility & contrast

On white

5.76

#5F55CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#5F55CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F55CB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F55CB	#FFFFFF	#000000	##FFFFFF
##5F55CB	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#307188

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5f55cb;
/* rgb */ color: rgb(95, 85, 203);
/* oklch */ color: oklch(52.5% 0.177 282.3);

Tailwind

colors: {
  custom: {
    50: '#9585dc',
    500: '#5f55cb',
    950: '#000000',
  },
}

SCSS

$custom: #5f55cb;
$custom-light: #9585dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5f55cb",
  "rgb": {
    "r": 95,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 245.085,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52453,
    "c": 0.17661,
    "h": 282.3
  },
  "luminance": 0.13242
}

Semantic roles & 50–950 ramp

primary

#5F55CB

secondary

#D2D6A6

accent

#DD4BD0

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5F55CB

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

Preview Lab → · Contrast checker → · Palette generator →