#515CCB#515CCB

#515CCB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.170 H 274.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#515CCB
RGB	rgb(81, 92, 203)
HSL	hsl(235, 54%, 56%)
HSV	hsv(235, 60%, 80%)
CMYK	cmyk(60.1%, 54.7%, 0%, 20.4%)
CIE-LAB	lab(43.82, 29.27, -59.16)
CIE-LCH	lch(43.82, 66.01, 296.32°)
OKLab	oklab(52.71% 0.0139 -0.1697)
OKLCH	oklch(52.71% 0.17 274.7)
XYZ	xyz(17.9965, 13.7140, 58.1870)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CCB #CBC051

analogous

#5199CB #515CCB #8351CB

triadic

#515CCB #CB515C #5CCB51

tetradic

#515CCB #CB5199 #CBC051 #51CB83

square

#515CCB #CB5199 #CBC051 #51CB83

split-complementary

#515CCB #CB8351 #99CB51

monochromatic

#252D7C #333EAC #515CCB #8088D9 #AFB4E7

Accessibility & contrast

On white

5.61

#515CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#515CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CCB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CCB	#FFFFFF	#000000	##FFFFFF
##515CCB	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096DCF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ccb;
/* rgb */ color: rgb(81, 92, 203);
/* oklch */ color: oklch(52.7% 0.170 274.7);

Tailwind

colors: {
  custom: {
    50: '#8d8adc',
    500: '#515ccb',
    950: '#000000',
  },
}

SCSS

$custom: #515ccb;
$custom-light: #8d8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#515ccb",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 203
  },
  "hsl": {
    "h": 234.59,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.52713,
    "c": 0.1703,
    "h": 274.7
  },
  "luminance": 0.13715
}

Semantic roles & 50–950 ramp

primary

#515CCB

secondary

#D5D1A3

accent

#D04ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CCB

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

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