#515AAA#515AAA

#515AAA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.126 H 276.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#515AAA
RGB	rgb(81, 90, 170)
HSL	hsl(234, 35%, 49%)
HSV	hsv(234, 52%, 67%)
CMYK	cmyk(52.4%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(41.16, 19.58, -44.19)
CIE-LCH	lch(41.16, 48.33, 293.90°)
OKLab	oklab(50.02% 0.0132 -0.1257)
OKLCH	oklch(50.02% 0.126 276)
XYZ	xyz(14.3029, 11.9630, 39.5778)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AAA #AAA151

analogous

#5187AA #515AAA #7551AA

triadic

#515AAA #AA515A #5AAA51

tetradic

#515AAA #AA5187 #AAA151 #51AA75

square

#515AAA #AA5187 #AAA151 #51AA75

split-complementary

#515AAA #AA7551 #87AA51

monochromatic

#2A2E57 #3D4481 #515AAA #7980BF #A2A7D3

Accessibility & contrast

On white

6.19

#515AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#515AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AAA

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AAA	#FFFFFF	#000000	##FFFFFF
##515AAA	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AD

Deuteranopia (green-blind)

#2D5EA8

Tritanopia (blue-blind)

#2A6B7A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #515aaa;
/* rgb */ color: rgb(81, 90, 170);
/* oklch */ color: oklch(50.0% 0.126 276.0);

Tailwind

colors: {
  custom: {
    50: '#8888c4',
    500: '#515aaa',
    950: '#000000',
  },
}

SCSS

$custom: #515aaa;
$custom-light: #8888c4;
$custom-dark: #000000;

JSON

{
  "hex": "#515aaa",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 233.933,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50021,
    "c": 0.1264,
    "h": 276
  },
  "luminance": 0.11964
}

Semantic roles & 50–950 ramp

primary

#515AAA

secondary

#C0BC97

accent

#C05CCB

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #515AAA

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

Preview Lab → · Contrast checker → · Palette generator →