#5155DA#5155DA

#5155DA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.6% C 0.199 H 275.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5155DA
RGB	rgb(81, 85, 218)
HSL	hsl(238, 65%, 59%)
HSV	hsv(238, 63%, 85%)
CMYK	cmyk(62.8%, 61%, 0%, 14.5%)
CIE-LAB	lab(43.22, 38.58, -68.74)
CIE-LCH	lch(43.22, 78.82, 299.30°)
OKLab	oklab(52.62% 0.0202 -0.1979)
OKLCH	oklch(52.62% 0.199 275.8)
XYZ	xyz(19.2926, 13.3067, 67.8678)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155DA #DAD651

analogous

#5199DA #5155DA #9151DA

triadic

#5155DA #DA5155 #55DA51

tetradic

#5155DA #DA5199 #DAD651 #51DA91

square

#5155DA #DA5199 #DAD651 #51DA91

split-complementary

#5155DA #DA9151 #99DA51

monochromatic

#1F2292 #2A2EC4 #5155DA #8386E5 #B6B8EF

Accessibility & contrast

On white

5.74

#5155DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#5155DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155DA

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155DA	#FFFFFF	#000000	##FFFFFF
##5155DA	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDE

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5155da;
/* rgb */ color: rgb(81, 85, 218);
/* oklch */ color: oklch(52.6% 0.199 275.8);

Tailwind

colors: {
  custom: {
    50: '#9085e6',
    500: '#5155da',
    950: '#000000',
  },
}

SCSS

$custom: #5155da;
$custom-light: #9085e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5155da",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 218
  },
  "hsl": {
    "h": 238.248,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52617,
    "c": 0.19897,
    "h": 275.8
  },
  "luminance": 0.13308
}

Semantic roles & 50–950 ramp

primary

#5155DA

secondary

#DEDDA8

accent

#E340E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5155DA

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

Preview Lab → · Contrast checker → · Palette generator →