#2523AC#2523AC

#2523AC is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.8% C 0.206 H 271.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2523AC
RGB	rgb(37, 35, 172)
HSL	hsl(241, 66%, 41%)
HSV	hsv(241, 80%, 67%)
CMYK	cmyk(78.5%, 79.7%, 0%, 32.5%)
CIE-LAB	lab(25.48, 47.46, -71.05)
CIE-LCH	lch(25.48, 85.44, 303.74°)
OKLab	oklab(37.82% 0.0051 -0.2057)
OKLCH	oklch(37.82% 0.206 271.4)
XYZ	xyz(8.8079, 4.5730, 39.4402)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523AC #AAAC23

analogous

#2365AC #2523AC #6923AC

triadic

#2523AC #AC2523 #23AC25

tetradic

#2523AC #AC2365 #AAAC23 #23AC69

square

#2523AC #AC2365 #AAAC23 #23AC69

split-complementary

#2523AC #AC6923 #65AC23

monochromatic

#0F0E46 #1A1979 #2523AC #3836D6 #6B69E0

Accessibility & contrast

On white

10.97

#2523AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2523AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523AC

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523AC	#FFFFFF	#000000	##FFFFFF
##2523AC	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0035AA

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2523ac;
/* rgb */ color: rgb(37, 35, 172);
/* oklch */ color: oklch(37.8% 0.206 271.4);

Tailwind

colors: {
  custom: {
    50: '#7961c6',
    500: '#2523ac',
    950: '#000000',
  },
}

SCSS

$custom: #2523ac;
$custom-light: #7961c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2523ac",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 172
  },
  "hsl": {
    "h": 240.876,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.37816,
    "c": 0.20573,
    "h": 271.4
  },
  "luminance": 0.04574
}

Semantic roles & 50–950 ramp

primary

#2523AC

secondary

#C5C664

accent

#E93FE7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2523AC

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

Preview Lab → · Contrast checker → · Palette generator →