#2525BC#2525BC

#2525BC is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.223 H 270.3°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2525BC
RGB	rgb(37, 37, 188)
HSL	hsl(240, 67%, 44%)
HSV	hsv(240, 80%, 74%)
CMYK	cmyk(80.3%, 80.3%, 0%, 26.3%)
CIE-LAB	lab(27.70, 51.54, -76.92)
CIE-LCH	lch(27.70, 92.59, 303.83°)
OKLab	oklab(39.91% 0.0012 -0.2227)
OKLCH	oklch(39.91% 0.223 270.3)
XYZ	xyz(10.4985, 5.3461, 48.0458)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2525BC #BCBC25

analogous

#2571BC #2525BC #7125BC

triadic

#2525BC #BC2525 #25BC25

tetradic

#2525BC #BC2571 #BCBC25 #25BC71

square

#2525BC #BC2571 #BCBC25 #25BC71

split-complementary

#2525BC #BC7125 #71BC25

monochromatic

#111156 #1B1B89 #2525BC #4444DA #7777E4

Accessibility & contrast

On white

10.15

#2525BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2525BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2525BC

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2525BC	#FFFFFF	#000000	##FFFFFF
##2525BC	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C0

Deuteranopia (green-blind)

#0039B9

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2525bc;
/* rgb */ color: rgb(37, 37, 188);
/* oklch */ color: oklch(39.9% 0.223 270.3);

Tailwind

colors: {
  custom: {
    50: '#7c63d2',
    500: '#2525bc',
    950: '#000000',
  },
}

SCSS

$custom: #2525bc;
$custom-light: #7c63d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2525bc",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 188
  },
  "hsl": {
    "h": 240,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.39906,
    "c": 0.22272,
    "h": 270.3
  },
  "luminance": 0.05347
}

Semantic roles & 50–950 ramp

primary

#2525BC

secondary

#CCCC71

accent

#EA3EEA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2525BC

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

Preview Lab → · Contrast checker → · Palette generator →