#2528AD#2528AD

#2528AD is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.6% C 0.203 H 270.9°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2528AD
RGB	rgb(37, 40, 173)
HSL	hsl(239, 65%, 41%)
HSV	hsv(239, 79%, 68%)
CMYK	cmyk(78.6%, 76.9%, 0%, 32.2%)
CIE-LAB	lab(26.53, 45.12, -69.92)
CIE-LCH	lch(26.53, 83.21, 302.83°)
OKLab	oklab(38.58% 0.0033 -0.2025)
OKLCH	oklch(38.58% 0.203 270.9)
XYZ	xyz(9.0620, 4.9270, 40.0005)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2528AD #ADAA25

analogous

#256CAD #2528AD #6625AD

triadic

#2528AD #AD2528 #28AD25

tetradic

#2528AD #AD256C #ADAA25 #25AD66

square

#2528AD #AD256C #ADAA25 #25AD66

split-complementary

#2528AD #AD6625 #6CAD25

monochromatic

#0F1148 #1A1C7B #2528AD #3A3ED5 #6D6FE0

Accessibility & contrast

On white

10.58

#2528AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2528AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2528AD

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2528AD	#FFFFFF	#000000	##FFFFFF
##2528AD	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2528ad;
/* rgb */ color: rgb(37, 40, 173);
/* oklch */ color: oklch(38.6% 0.203 270.9);

Tailwind

colors: {
  custom: {
    50: '#7864c7',
    500: '#2528ad',
    950: '#000000',
  },
}

SCSS

$custom: #2528ad;
$custom-light: #7864c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2528ad",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 173
  },
  "hsl": {
    "h": 238.676,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38583,
    "c": 0.2025,
    "h": 270.9
  },
  "luminance": 0.04928
}

Semantic roles & 50–950 ramp

primary

#2528AD

secondary

#C6C468

accent

#E440E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2528AD

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

Preview Lab → · Contrast checker → · Palette generator →