#2523C1#2523C1

#2523C1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.3% C 0.230 H 270.2°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2523C1
RGB	rgb(37, 35, 193)
HSL	hsl(241, 69%, 45%)
HSV	hsv(241, 82%, 76%)
CMYK	cmyk(80.8%, 81.9%, 0%, 24.3%)
CIE-LAB	lab(27.97, 54.06, -79.43)
CIE-LCH	lch(27.97, 96.08, 304.24°)
OKLab	oklab(40.26% 0.0006 -0.2299)
OKLCH	oklch(40.26% 0.23 270.2)
XYZ	xyz(10.9864, 5.4444, 50.9136)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523C1 #BFC123

analogous

#2370C1 #2523C1 #7423C1

triadic

#2523C1 #C12523 #23C125

tetradic

#2523C1 #C12370 #BFC123 #23C174

square

#2523C1 #C12370 #BFC123 #23C174

split-complementary

#2523C1 #C17423 #70C123

monochromatic

#111059 #1B1A8D #2523C1 #4644DD #7978E6

Accessibility & contrast

On white

10.05

#2523C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2523C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523C1

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523C1	#FFFFFF	#000000	##FFFFFF
##2523C1	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC5

Deuteranopia (green-blind)

#003ABE

Tritanopia (blue-blind)

#005674

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2523c1;
/* rgb */ color: rgb(37, 35, 193);
/* oklch */ color: oklch(40.3% 0.230 270.2);

Tailwind

colors: {
  custom: {
    50: '#7e62d5',
    500: '#2523c1',
    950: '#000000',
  },
}

SCSS

$custom: #2523c1;
$custom-light: #7e62d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2523c1",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 193
  },
  "hsl": {
    "h": 240.759,
    "s": 69.298,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40262,
    "c": 0.22995,
    "h": 270.2
  },
  "luminance": 0.05446
}

Semantic roles & 50–950 ramp

primary

#2523C1

secondary

#CDCE72

accent

#EC3CEA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2523C1

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

Preview Lab → · Contrast checker → · Palette generator →