#515BA5#515BA5

#515BA5 is a mid, moderate blue. Relative luminance 0.119; OKLCH L 49.9% C 0.118 H 275.5°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#515BA5
RGB	rgb(81, 91, 165)
HSL	hsl(233, 34%, 48%)
HSV	hsv(233, 51%, 65%)
CMYK	cmyk(50.9%, 44.8%, 0%, 35.3%)
CIE-LAB	lab(41.13, 17.32, -41.27)
CIE-LCH	lch(41.13, 44.75, 292.77°)
OKLab	oklab(49.91% 0.0113 -0.1171)
OKLCH	oklch(49.91% 0.118 275.5)
XYZ	xyz(13.9238, 11.9473, 37.1624)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BA5 #A59B51

analogous

#5185A5 #515BA5 #7151A5

triadic

#515BA5 #A5515B #5BA551

tetradic

#515BA5 #A55185 #A59B51 #51A571

square

#515BA5 #A55185 #A59B51 #51A571

split-complementary

#515BA5 #A57151 #85A551

monochromatic

#292E53 #3D447C #515BA5 #777FBC #A0A6D0

Accessibility & contrast

On white

6.20

#515BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#515BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BA5

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BA5	#FFFFFF	#000000	##FFFFFF
##515BA5	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A8

Deuteranopia (green-blind)

#345EA3

Tritanopia (blue-blind)

#2F6B78

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #515ba5;
/* rgb */ color: rgb(81, 91, 165);
/* oklch */ color: oklch(49.9% 0.118 275.5);

Tailwind

colors: {
  custom: {
    50: '#8789c0',
    500: '#515ba5',
    950: '#000000',
  },
}

SCSS

$custom: #515ba5;
$custom-light: #8789c0;
$custom-dark: #000000;

JSON

{
  "hex": "#515ba5",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 165
  },
  "hsl": {
    "h": 232.857,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49906,
    "c": 0.11767,
    "h": 275.5
  },
  "luminance": 0.11948
}

Semantic roles & 50–950 ramp

primary

#515BA5

secondary

#BDB994

accent

#BD5ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515BA5

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

Preview Lab → · Contrast checker → · Palette generator →