#5154BB#5154BB

#5154BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.159 H 277.7°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#5154BB
RGB	rgb(81, 84, 187)
HSL	hsl(238, 44%, 53%)
HSV	hsv(238, 57%, 73%)
CMYK	cmyk(56.7%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(40.70, 28.96, -54.92)
CIE-LCH	lch(40.70, 62.09, 297.80°)
OKLab	oklab(50.03% 0.0214 -0.1573)
OKLCH	oklch(50.03% 0.159 277.7)
XYZ	xyz(15.5304, 11.6768, 48.4395)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5154BB #BBB851

analogous

#5189BB #5154BB #8351BB

triadic

#5154BB #BB5154 #54BB51

tetradic

#5154BB #BB5189 #BBB851 #51BB83

square

#5154BB #BB5189 #BBB851 #51BB83

split-complementary

#5154BB #BB8351 #89BB51

monochromatic

#292B69 #3A3D95 #5154BB #7D7FCC #A9AADD

Accessibility & contrast

On white

6.30

#5154BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#5154BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5154BB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5154BB	#FFFFFF	#000000	##FFFFFF
##5154BB	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D64BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#156C7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5154bb;
/* rgb */ color: rgb(81, 84, 187);
/* oklch */ color: oklch(50.0% 0.159 277.7);

Tailwind

colors: {
  custom: {
    50: '#8b84d0',
    500: '#5154bb',
    950: '#000000',
  },
}

SCSS

$custom: #5154bb;
$custom-light: #8b84d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5154bb",
  "rgb": {
    "r": 81,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 238.302,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50028,
    "c": 0.15877,
    "h": 277.7
  },
  "luminance": 0.11678
}

Semantic roles & 50–950 ramp

primary

#5154BB

secondary

#CBCA9D

accent

#D054D4

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5154BB

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

Preview Lab → · Contrast checker → · Palette generator →