#2521BD#2521BD

#2521BD is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.6% C 0.227 H 270.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#2521BD
RGB	rgb(37, 33, 189)
HSL	hsl(242, 70%, 44%)
HSV	hsv(242, 83%, 74%)
CMYK	cmyk(80.4%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(27.17, 53.76, -78.39)
CIE-LCH	lch(27.17, 95.05, 304.44°)
OKLab	oklab(39.57% 0.0019 -0.2269)
OKLCH	oklch(39.57% 0.227 270.5)
XYZ	xyz(10.4890, 5.1539, 48.5762)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2521BD #B9BD21

analogous

#216BBD #2521BD #7321BD

triadic

#2521BD #BD2521 #21BD25

tetradic

#2521BD #BD216B #B9BD21 #21BD73

square

#2521BD #BD216B #B9BD21 #21BD73

split-complementary

#2521BD #BD7321 #6BBD21

monochromatic

#110F55 #1B1889 #2521BD #423EDD #7572E6

Accessibility & contrast

On white

10.34

#2521BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2521BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2521BD

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2521BD	#FFFFFF	#000000	##FFFFFF
##2521BD	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C1

Deuteranopia (green-blind)

#0038BA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2521bd;
/* rgb */ color: rgb(37, 33, 189);
/* oklch */ color: oklch(39.6% 0.227 270.5);

Tailwind

colors: {
  custom: {
    50: '#7d61d2',
    500: '#2521bd',
    950: '#000000',
  },
}

SCSS

$custom: #2521bd;
$custom-light: #7d61d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2521bd",
  "rgb": {
    "r": 37,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 241.538,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39572,
    "c": 0.22691,
    "h": 270.5
  },
  "luminance": 0.05155
}

Semantic roles & 50–950 ramp

primary

#2521BD

secondary

#CBCD6D

accent

#ED3BE8

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #2521BD

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

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