#2524BB#2524BB

#2524BB is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.7% C 0.222 H 270.4°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2524BB
RGB	rgb(37, 36, 187)
HSL	hsl(240, 68%, 44%)
HSV	hsv(240, 81%, 73%)
CMYK	cmyk(80.2%, 80.7%, 0%, 26.7%)
CIE-LAB	lab(27.41, 51.72, -76.80)
CIE-LCH	lch(27.41, 92.60, 303.96°)
OKLab	oklab(39.67% 0.0017 -0.2224)
OKLCH	oklch(39.67% 0.222 270.4)
XYZ	xyz(10.3604, 5.2417, 47.4698)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2524BB #BABB24

analogous

#246EBB #2524BB #7024BB

triadic

#2524BB #BB2524 #24BB25

tetradic

#2524BB #BB246E #BABB24 #24BB70

square

#2524BB #BB246E #BABB24 #24BB70

split-complementary

#2524BB #BB7024 #6EBB24

monochromatic

#111054 #1B1A88 #2524BB #4342DB #7675E4

Accessibility & contrast

On white

10.25

#2524BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2524BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2524BB

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2524BB	#FFFFFF	#000000	##FFFFFF
##2524BB	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#0039B8

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2524bb;
/* rgb */ color: rgb(37, 36, 187);
/* oklch */ color: oklch(39.7% 0.222 270.4);

Tailwind

colors: {
  custom: {
    50: '#7c63d1',
    500: '#2524bb',
    950: '#000000',
  },
}

SCSS

$custom: #2524bb;
$custom-light: #7c63d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2524bb",
  "rgb": {
    "r": 37,
    "g": 36,
    "b": 187
  },
  "hsl": {
    "h": 240.397,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.39672,
    "c": 0.22237,
    "h": 270.4
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary

#2524BB

secondary

#CBCC6F

accent

#EB3DE9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2524BB

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

Preview Lab → · Contrast checker → · Palette generator →