#2517C9#2517C9

#2517C9 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 40.1% C 0.246 H 270.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2517C9
RGB	rgb(37, 23, 201)
HSL	hsl(245, 79%, 44%)
HSV	hsv(245, 89%, 79%)
CMYK	cmyk(81.6%, 88.6%, 0%, 21.2%)
CIE-LAB	lab(27.36, 61.19, -85.15)
CIE-LCH	lch(27.36, 104.85, 305.70°)
OKLab	oklab(40.13% 0.0005 -0.2462)
OKLCH	oklch(40.13% 0.246 270.1)
XYZ	xyz(11.6084, 5.2218, 55.6431)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2517C9 #BBC917

analogous

#1762C9 #2517C9 #7E17C9

triadic

#2517C9 #C92517 #17C925

tetradic

#2517C9 #C91762 #BBC917 #17C97E

square

#2517C9 #C91762 #BBC917 #17C97E

split-complementary

#2517C9 #C97E17 #62C917

monochromatic

#110A5B #1B1192 #2517C9 #4335E8 #766CEE

Accessibility & contrast

On white

10.27

#2517C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2517C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2517C9

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2517C9	#FFFFFF	#000000	##FFFFFF
##2517C9	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049CE

Deuteranopia (green-blind)

#0037C6

Tritanopia (blue-blind)

#005677

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2517c9;
/* rgb */ color: rgb(37, 23, 201);
/* oklch */ color: oklch(40.1% 0.246 270.1);

Tailwind

colors: {
  custom: {
    50: '#815edb',
    500: '#2517c9',
    950: '#000000',
  },
}

SCSS

$custom: #2517c9;
$custom-light: #815edb;
$custom-dark: #000000;

JSON

{
  "hex": "#2517c9",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 201
  },
  "hsl": {
    "h": 244.719,
    "s": 79.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40127,
    "c": 0.24621,
    "h": 270.1
  },
  "luminance": 0.05223
}

Semantic roles & 50–950 ramp

primary

#2517C9

secondary

#CBD468

accent

#F632E6

background

#F9F5FD

surface

#F1EAFB

border

#CBC6D4

text

#0D0515

muted

#7E7983

Preview Lab

Preview with #2517C9

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

Preview Lab → · Contrast checker → · Palette generator →