#2528A0#2528A0

#2528A0 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.2% C 0.187 H 271.7°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2528A0
RGB	rgb(37, 40, 160)
HSL	hsl(239, 62%, 39%)
HSV	hsv(239, 77%, 63%)
CMYK	cmyk(76.9%, 75%, 0%, 37.3%)
CIE-LAB	lab(25.10, 40.72, -64.42)
CIE-LCH	lch(25.10, 76.21, 302.30°)
OKLab	oklab(37.15% 0.0056 -0.1865)
OKLCH	oklch(37.15% 0.187 271.7)
XYZ	xyz(7.8648, 4.4481, 33.6950)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528A0 #A09D25

analogous

#2565A0 #2528A0 #5F25A0

triadic

#2528A0 #A02528 #28A025

tetradic

#2528A0 #A02565 #A09D25 #25A05F

square

#2528A0 #A02565 #A09D25 #25A05F

split-complementary

#2528A0 #A05F25 #65A025

monochromatic

#0E0F3D #1A1C6E #2528A0 #3236D0 #6467DB

Accessibility & contrast

On white

11.11

#2528A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2528A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528A0

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528A0	#FFFFFF	#000000	##FFFFFF
##2528A0	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A3

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2528a0;
/* rgb */ color: rgb(37, 40, 160);
/* oklch */ color: oklch(37.2% 0.187 271.7);

Tailwind

colors: {
  custom: {
    50: '#7563bd',
    500: '#2528a0',
    950: '#000000',
  },
}

SCSS

$custom: #2528a0;
$custom-light: #7563bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2528a0",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 160
  },
  "hsl": {
    "h": 238.537,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.18655,
    "h": 271.7
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#2528A0

secondary

#C1BE60

accent

#E242E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2528A0

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

Preview Lab → · Contrast checker → · Palette generator →