#2523BE#2523BE

#2523BE is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.227 H 270.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2523BE
RGB	rgb(37, 35, 190)
HSL	hsl(241, 69%, 44%)
HSV	hsv(241, 82%, 75%)
CMYK	cmyk(80.5%, 81.6%, 0%, 25.5%)
CIE-LAB	lab(27.61, 53.13, -78.26)
CIE-LCH	lch(27.61, 94.59, 304.17°)
OKLab	oklab(39.91% 0.0013 -0.2266)
OKLCH	oklch(39.91% 0.227 270.3)
XYZ	xyz(10.6551, 5.3119, 49.1689)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523BE #BCBE23

analogous

#236FBE #2523BE #7323BE

triadic

#2523BE #BE2523 #23BE25

tetradic

#2523BE #BE236F #BCBE23 #23BE73

square

#2523BE #BE236F #BCBE23 #23BE73

split-complementary

#2523BE #BE7323 #6FBE23

monochromatic

#111057 #1B198A #2523BE #4442DC #7776E6

Accessibility & contrast

On white

10.18

#2523BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2523BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523BE

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523BE	#FFFFFF	#000000	##FFFFFF
##2523BE	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C2

Deuteranopia (green-blind)

#0039BB

Tritanopia (blue-blind)

#005572

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2523be;
/* rgb */ color: rgb(37, 35, 190);
/* oklch */ color: oklch(39.9% 0.227 270.3);

Tailwind

colors: {
  custom: {
    50: '#7d62d3',
    500: '#2523be',
    950: '#000000',
  },
}

SCSS

$custom: #2523be;
$custom-light: #7d62d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2523be",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 190
  },
  "hsl": {
    "h": 240.774,
    "s": 68.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.39909,
    "c": 0.22656,
    "h": 270.3
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#2523BE

secondary

#CCCD70

accent

#EC3CE9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2523BE

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

Preview Lab → · Contrast checker → · Palette generator →