#2528D4#2528D4

#2528D4 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 43.0% C 0.247 H 269.1°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2528D4
RGB	rgb(37, 40, 212)
HSL	hsl(239, 70%, 49%)
HSV	hsv(239, 83%, 83%)
CMYK	cmyk(82.5%, 81.1%, 0%, 16.9%)
CIE-LAB	lab(31.03, 57.54, -85.45)
CIE-LCH	lch(31.03, 103.01, 303.96°)
OKLab	oklab(43.04% -0.0041 -0.2474)
OKLCH	oklch(43.04% 0.247 269.1)
XYZ	xyz(13.4013, 6.6628, 62.8543)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528D4 #D4D125

analogous

#2580D4 #2528D4 #7925D4

triadic

#2528D4 #D42528 #28D425

tetradic

#2528D4 #D42580 #D4D125 #25D479

square

#2528D4 #D42580 #D4D125 #25D479

split-complementary

#2528D4 #D47925 #80D425

monochromatic

#13146C #1C1EA0 #2528D4 #5557E1 #898BEA

Accessibility & contrast

On white

9.00

#2528D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2528D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528D4

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528D4	#FFFFFF	#000000	##FFFFFF
##2528D4	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D9

Deuteranopia (green-blind)

#0040D1

Tritanopia (blue-blind)

#005F80

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2528d4;
/* rgb */ color: rgb(37, 40, 212);
/* oklch */ color: oklch(43.0% 0.247 269.1);

Tailwind

colors: {
  custom: {
    50: '#8267e3',
    500: '#2528d4',
    950: '#000000',
  },
}

SCSS

$custom: #2528d4;
$custom-light: #8267e3;
$custom-dark: #000000;

JSON

{
  "hex": "#2528d4",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 212
  },
  "hsl": {
    "h": 238.971,
    "s": 70.281,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43036,
    "c": 0.24747,
    "h": 269.1
  },
  "luminance": 0.06664
}

Semantic roles & 50–950 ramp

primary

#2528D4

secondary

#D4D381

accent

#EA3BED

background

#F9F6FE

surface

#F1EBFC

border

#CBC6D5

text

#0D0616

muted

#7E7A84

Preview Lab

Preview with #2528D4

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

Preview Lab → · Contrast checker → · Palette generator →