#2528BD#2528BD

#2528BD is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.4% C 0.221 H 270.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#2528BD
RGB	rgb(37, 40, 189)
HSL	hsl(239, 67%, 44%)
HSV	hsv(239, 80%, 74%)
CMYK	cmyk(80.4%, 78.8%, 0%, 25.9%)
CIE-LAB	lab(28.34, 50.35, -76.45)
CIE-LCH	lch(28.34, 91.54, 303.37°)
OKLab	oklab(40.39% 0.0003 -0.2214)
OKLCH	oklch(40.39% 0.221 270.1)
XYZ	xyz(10.7039, 5.5838, 48.6479)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528BD #BDBA25

analogous

#2574BD #2528BD #6E25BD

triadic

#2528BD #BD2528 #28BD25

tetradic

#2528BD #BD2574 #BDBA25 #25BD6E

square

#2528BD #BD2574 #BDBA25 #25BD6E

split-complementary

#2528BD #BD6E25 #74BD25

monochromatic

#111257 #1B1D8A #2528BD #4548DB #787AE5

Accessibility & contrast

On white

9.92

#2528BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2528BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528BD

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528BD	#FFFFFF	#000000	##FFFFFF
##2528BD	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2528bd;
/* rgb */ color: rgb(37, 40, 189);
/* oklch */ color: oklch(40.4% 0.221 270.1);

Tailwind

colors: {
  custom: {
    50: '#7c65d2',
    500: '#2528bd',
    950: '#000000',
  },
}

SCSS

$custom: #2528bd;
$custom-light: #7c65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2528bd",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 189
  },
  "hsl": {
    "h": 238.816,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40386,
    "c": 0.22141,
    "h": 270.1
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#2528BD

secondary

#CCCA72

accent

#E73EEA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2528BD

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

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