#2528A2#2528A2

#2528A2 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.189 H 271.6°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#2528A2
RGB	rgb(37, 40, 162)
HSL	hsl(239, 63%, 39%)
HSV	hsv(239, 77%, 64%)
CMYK	cmyk(77.2%, 75.3%, 0%, 36.5%)
CIE-LAB	lab(25.32, 41.41, -65.27)
CIE-LCH	lch(25.32, 77.30, 302.39°)
OKLab	oklab(37.37% 0.0052 -0.189)
OKLCH	oklch(37.37% 0.189 271.6)
XYZ	xyz(8.0411, 4.5187, 34.6238)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528A2 #A29F25

analogous

#2567A2 #2528A2 #6125A2

triadic

#2528A2 #A22528 #28A225

tetradic

#2528A2 #A22567 #A29F25 #25A261

square

#2528A2 #A22567 #A29F25 #25A261

split-complementary

#2528A2 #A26125 #67A225

monochromatic

#0E0F3E #1A1C70 #2528A2 #3437D1 #6568DC

Accessibility & contrast

On white

11.03

#2528A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2528A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528A2

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528A2	#FFFFFF	#000000	##FFFFFF
##2528A2	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A6

Deuteranopia (green-blind)

#0036A0

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2528a2;
/* rgb */ color: rgb(37, 40, 162);
/* oklch */ color: oklch(37.4% 0.189 271.6);

Tailwind

colors: {
  custom: {
    50: '#7663bf',
    500: '#2528a2',
    950: '#000000',
  },
}

SCSS

$custom: #2528a2;
$custom-light: #7663bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2528a2",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 162
  },
  "hsl": {
    "h": 238.56,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37371,
    "c": 0.18904,
    "h": 271.6
  },
  "luminance": 0.0452
}

Semantic roles & 50–950 ramp

primary

#2528A2

secondary

#C2BF61

accent

#E242E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2528A2

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

Preview Lab → · Contrast checker → · Palette generator →