#2515B4#2515B4

#2515B4 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.4% C 0.225 H 271.6°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#2515B4
RGB	rgb(37, 21, 180)
HSL	hsl(246, 79%, 39%)
HSV	hsv(246, 88%, 71%)
CMYK	cmyk(79.4%, 88.3%, 0%, 29.4%)
CIE-LAB	lab(24.40, 55.99, -77.65)
CIE-LCH	lch(24.40, 95.73, 305.80°)
OKLab	oklab(37.35% 0.0062 -0.2245)
OKLCH	oklch(37.35% 0.225 271.6)
XYZ	xyz(9.2666, 4.2239, 43.4981)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2515B4 #A4B415

analogous

#1554B4 #2515B4 #7515B4

triadic

#2515B4 #B42515 #15B425

tetradic

#2515B4 #B41554 #A4B415 #15B475

square

#2515B4 #B41554 #A4B415 #15B475

split-complementary

#2515B4 #B47515 #54B415

monochromatic

#0E0846 #1A0F7D #2515B4 #3521E5 #6758EC

Accessibility & contrast

On white

11.38

#2515B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2515B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2515B4

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2515B4	#FFFFFF	#000000	##FFFFFF
##2515B4	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B8

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2515b4;
/* rgb */ color: rgb(37, 21, 180);
/* oklch */ color: oklch(37.4% 0.225 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c5bcc',
    500: '#2515b4',
    950: '#000000',
  },
}

SCSS

$custom: #2515b4;
$custom-light: #7c5bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2515b4",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 180
  },
  "hsl": {
    "h": 246.038,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.3735,
    "c": 0.22459,
    "h": 271.6
  },
  "luminance": 0.04225
}

Semantic roles & 50–950 ramp

primary

#2515B4

secondary

#C2CF56

accent

#F632E2

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2515B4

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

Preview Lab → · Contrast checker → · Palette generator →