#2523AD#2523AD

#2523AD is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.207 H 271.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2523AD
RGB	rgb(37, 35, 173)
HSL	hsl(241, 66%, 41%)
HSV	hsv(241, 80%, 68%)
CMYK	cmyk(78.6%, 79.8%, 0%, 32.2%)
CIE-LAB	lab(25.60, 47.78, -71.46)
CIE-LCH	lch(25.60, 85.96, 303.77°)
OKLab	oklab(37.93% 0.0049 -0.2069)
OKLCH	oklch(37.93% 0.207 271.4)
XYZ	xyz(8.9043, 4.6115, 39.9479)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523AD #ABAD23

analogous

#2366AD #2523AD #6A23AD

triadic

#2523AD #AD2523 #23AD25

tetradic

#2523AD #AD2366 #ABAD23 #23AD6A

square

#2523AD #AD2366 #ABAD23 #23AD6A

split-complementary

#2523AD #AD6A23 #66AD23

monochromatic

#0F0E47 #1A197A #2523AD #3937D6 #6B6AE1

Accessibility & contrast

On white

10.92

#2523AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2523AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523AD

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523AD	#FFFFFF	#000000	##FFFFFF
##2523AD	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0036AB

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2523ad;
/* rgb */ color: rgb(37, 35, 173);
/* oklch */ color: oklch(37.9% 0.207 271.4);

Tailwind

colors: {
  custom: {
    50: '#7961c7',
    500: '#2523ad',
    950: '#000000',
  },
}

SCSS

$custom: #2523ad;
$custom-light: #7961c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2523ad",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 173
  },
  "hsl": {
    "h": 240.87,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.37932,
    "c": 0.20692,
    "h": 271.4
  },
  "luminance": 0.04613
}

Semantic roles & 50–950 ramp

primary

#2523AD

secondary

#C5C765

accent

#E93FE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2523AD

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

Preview Lab → · Contrast checker → · Palette generator →