#2523AE#2523AE

#2523AE is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.0% C 0.208 H 271.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2523AE
RGB	rgb(37, 35, 174)
HSL	hsl(241, 67%, 41%)
HSV	hsv(241, 80%, 68%)
CMYK	cmyk(78.7%, 79.9%, 0%, 31.8%)
CIE-LAB	lab(25.71, 48.10, -71.86)
CIE-LCH	lch(25.71, 86.48, 303.80°)
OKLab	oklab(38.05% 0.0047 -0.208)
OKLCH	oklch(38.05% 0.208 271.3)
XYZ	xyz(9.0014, 4.6504, 40.4594)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523AE #ACAE23

analogous

#2366AE #2523AE #6A23AE

triadic

#2523AE #AE2523 #23AE25

tetradic

#2523AE #AE2366 #ACAE23 #23AE6A

square

#2523AE #AE2366 #ACAE23 #23AE6A

split-complementary

#2523AE #AE6A23 #66AE23

monochromatic

#0F0F48 #1A197B #2523AE #3A37D7 #6C6AE1

Accessibility & contrast

On white

10.88

#2523AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2523AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523AE

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523AE	#FFFFFF	#000000	##FFFFFF
##2523AE	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B2

Deuteranopia (green-blind)

#0036AC

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2523ae;
/* rgb */ color: rgb(37, 35, 174);
/* oklch */ color: oklch(38.0% 0.208 271.3);

Tailwind

colors: {
  custom: {
    50: '#7961c8',
    500: '#2523ae',
    950: '#000000',
  },
}

SCSS

$custom: #2523ae;
$custom-light: #7961c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2523ae",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 174
  },
  "hsl": {
    "h": 240.863,
    "s": 66.507,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38047,
    "c": 0.20809,
    "h": 271.3
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#2523AE

secondary

#C6C766

accent

#E93EE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2523AE

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

Preview Lab → · Contrast checker → · Palette generator →