#515FAA#515FAA

#515FAA is a mid, moderate blue. Relative luminance 0.128; OKLCH L 51.1% C 0.120 H 273.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#515FAA
RGB	rgb(81, 95, 170)
HSL	hsl(231, 35%, 49%)
HSV	hsv(231, 52%, 67%)
CMYK	cmyk(52.4%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(42.51, 16.41, -42.02)
CIE-LCH	lch(42.51, 45.11, 291.33°)
OKLab	oklab(51.05% 0.0073 -0.1193)
OKLCH	oklch(51.05% 0.12 273.5)
XYZ	xyz(14.7389, 12.8351, 39.7232)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FAA #AA9C51

analogous

#518CAA #515FAA #7051AA

triadic

#515FAA #AA515F #5FAA51

tetradic

#515FAA #AA518C #AA9C51 #51AA70

square

#515FAA #AA518C #AA9C51 #51AA70

split-complementary

#515FAA #AA7051 #8CAA51

monochromatic

#2A3157 #3D4881 #515FAA #7984BF #A2AAD3

Accessibility & contrast

On white

5.89

#515FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#515FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FAA

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FAA	#FFFFFF	#000000	##FFFFFF
##515FAA	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4068AD

Deuteranopia (green-blind)

#3661A8

Tritanopia (blue-blind)

#296F7C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515faa;
/* rgb */ color: rgb(81, 95, 170);
/* oklch */ color: oklch(51.1% 0.120 273.5);

Tailwind

colors: {
  custom: {
    50: '#888cc4',
    500: '#515faa',
    950: '#000000',
  },
}

SCSS

$custom: #515faa;
$custom-light: #888cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#515faa",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 230.562,
    "s": 35.458,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51054,
    "c": 0.11954,
    "h": 273.5
  },
  "luminance": 0.12836
}

Semantic roles & 50–950 ramp

primary

#515FAA

secondary

#C0BA97

accent

#BA5CCB

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515FAA

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

Preview Lab → · Contrast checker → · Palette generator →