#515BAF#515BAF

#515BAF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.132 H 275.5°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#515BAF
RGB	rgb(81, 91, 175)
HSL	hsl(234, 37%, 50%)
HSV	hsv(234, 54%, 69%)
CMYK	cmyk(53.7%, 48%, 0%, 31.4%)
CIE-LAB	lab(41.73, 20.58, -46.22)
CIE-LCH	lch(41.73, 50.60, 294.01°)
OKLab	oklab(50.55% 0.0127 -0.1317)
OKLCH	oklch(50.55% 0.132 275.5)
XYZ	xyz(14.8698, 12.3257, 42.1447)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BAF #AFA551

analogous

#518AAF #515BAF #7651AF

triadic

#515BAF #AF515B #5BAF51

tetradic

#515BAF #AF518A #AFA551 #51AF76

square

#515BAF #AF518A #AFA551 #51AF76

split-complementary

#515BAF #AF7651 #8AAF51

monochromatic

#2A2F5C #3D4585 #515BAF #7B83C2 #A5AAD6

Accessibility & contrast

On white

6.06

#515BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#515BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BAF

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BAF	#FFFFFF	#000000	##FFFFFF
##515BAF	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3466B2

Deuteranopia (green-blind)

#295FAD

Tritanopia (blue-blind)

#256D7C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #515baf;
/* rgb */ color: rgb(81, 91, 175);
/* oklch */ color: oklch(50.6% 0.132 275.5);

Tailwind

colors: {
  custom: {
    50: '#8989c7',
    500: '#515baf',
    950: '#000000',
  },
}

SCSS

$custom: #515baf;
$custom-light: #8989c7;
$custom-dark: #000000;

JSON

{
  "hex": "#515baf",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 175
  },
  "hsl": {
    "h": 233.617,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50553,
    "c": 0.13229,
    "h": 275.5
  },
  "luminance": 0.12327
}

Semantic roles & 50–950 ramp

primary

#515BAF

secondary

#C3BE99

accent

#C15BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #515BAF

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

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