#5A5FBC#5A5FBC

#5A5FBC is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.9% C 0.143 H 278.0°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5A5FBC
RGB	rgb(90, 95, 188)
HSL	hsl(237, 42%, 55%)
HSV	hsv(237, 52%, 74%)
CMYK	cmyk(52.1%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(44.22, 24.26, -49.81)
CIE-LCH	lch(44.22, 55.40, 295.97°)
OKLab	oklab(52.86% 0.0199 -0.142)
OKLCH	oklch(52.86% 0.143 278)
XYZ	xyz(17.3829, 13.9879, 49.3512)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A5FBC #BCB75A

analogous

#5A90BC #5A5FBC #865ABC

triadic

#5A5FBC #BC5A5F #5FBC5A

tetradic

#5A5FBC #BC5A90 #BCB75A #5ABC86

square

#5A5FBC #BC5A90 #BCB75A #5ABC86

split-complementary

#5A5FBC #BC865A #90BC5A

monochromatic

#2D306F #3F439A #5A5FBC #8689CE #B1B3DF

Accessibility & contrast

On white

5.53

#5A5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5A5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A5FBC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A5FBC	#FFFFFF	#000000	##FFFFFF
##5A5FBC	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DBF

Deuteranopia (green-blind)

#2865BA

Tritanopia (blue-blind)

#307384

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5a5fbc;
/* rgb */ color: rgb(90, 95, 188);
/* oklch */ color: oklch(52.9% 0.143 278.0);

Tailwind

colors: {
  custom: {
    50: '#8f8cd1',
    500: '#5a5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #5a5fbc;
$custom-light: #8f8cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5a5fbc",
  "rgb": {
    "r": 90,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 236.939,
    "s": 42.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52855,
    "c": 0.14335,
    "h": 278
  },
  "luminance": 0.13989
}

Semantic roles & 50–950 ramp

primary

#5A5FBC

secondary

#CECCA4

accent

#CC56D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5A5FBC

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

Preview Lab → · Contrast checker → · Palette generator →