#5153BF#5153BF

#5153BF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.1% C 0.166 H 277.8°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#5153BF
RGB	rgb(81, 83, 191)
HSL	hsl(239, 46%, 53%)
HSV	hsv(239, 58%, 75%)
CMYK	cmyk(57.6%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(40.73, 30.91, -57.21)
CIE-LCH	lch(40.73, 65.02, 298.38°)
OKLab	oklab(50.14% 0.0225 -0.1641)
OKLCH	oklch(50.14% 0.166 277.8)
XYZ	xyz(15.8876, 11.6963, 50.7005)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153BF #BFBD51

analogous

#518ABF #5153BF #8651BF

triadic

#5153BF #BF5153 #53BF51

tetradic

#5153BF #BF518A #BFBD51 #51BF86

square

#5153BF #BF518A #BFBD51 #51BF86

split-complementary

#5153BF #BF8651 #8ABF51

monochromatic

#28296D #393A9A #5153BF #7E7FCF #AAABE0

Accessibility & contrast

On white

6.29

#5153BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#5153BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153BF

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153BF	#FFFFFF	#000000	##FFFFFF
##5153BF	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#0C6C81

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5153bf;
/* rgb */ color: rgb(81, 83, 191);
/* oklch */ color: oklch(50.1% 0.166 277.8);

Tailwind

colors: {
  custom: {
    50: '#8c83d3',
    500: '#5153bf',
    950: '#000000',
  },
}

SCSS

$custom: #5153bf;
$custom-light: #8c83d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5153bf",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 238.909,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50141,
    "c": 0.16559,
    "h": 277.8
  },
  "luminance": 0.11697
}

Semantic roles & 50–950 ramp

primary

#5153BF

secondary

#CECD9E

accent

#D352D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5153BF

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

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