#2523BD#2523BD

#2523BD is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.225 H 270.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2523BD
RGB	rgb(37, 35, 189)
HSL	hsl(241, 69%, 44%)
HSV	hsv(241, 81%, 74%)
CMYK	cmyk(80.4%, 81.5%, 0%, 25.9%)
CIE-LAB	lab(27.49, 52.83, -77.87)
CIE-LCH	lch(27.49, 94.09, 304.15°)
OKLab	oklab(39.79% 0.0015 -0.2254)
OKLCH	oklch(39.79% 0.225 270.4)
XYZ	xyz(10.5462, 5.2683, 48.5953)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523BD #BBBD23

analogous

#236EBD #2523BD #7223BD

triadic

#2523BD #BD2523 #23BD25

tetradic

#2523BD #BD236E #BBBD23 #23BD72

square

#2523BD #BD236E #BBBD23 #23BD72

split-complementary

#2523BD #BD7223 #6EBD23

monochromatic

#111056 #1B1989 #2523BD #4341DC #7675E5

Accessibility & contrast

On white

10.22

#2523BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2523BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523BD

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523BD	#FFFFFF	#000000	##FFFFFF
##2523BD	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#0039BA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2523bd;
/* rgb */ color: rgb(37, 35, 189);
/* oklch */ color: oklch(39.8% 0.225 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d62d2',
    500: '#2523bd',
    950: '#000000',
  },
}

SCSS

$custom: #2523bd;
$custom-light: #7d62d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2523bd",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 189
  },
  "hsl": {
    "h": 240.779,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.39792,
    "c": 0.22542,
    "h": 270.4
  },
  "luminance": 0.0527
}

Semantic roles & 50–950 ramp

primary

#2523BD

secondary

#CBCD6F

accent

#EC3CE9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #2523BD

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

Preview Lab → · Contrast checker → · Palette generator →