#2527A4#2527A4

#2527A4 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.192 H 271.6°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#2527A4
RGB	rgb(37, 39, 164)
HSL	hsl(239, 63%, 39%)
HSV	hsv(239, 77%, 64%)
CMYK	cmyk(77.4%, 76.2%, 0%, 35.7%)
CIE-LAB	lab(25.33, 42.66, -66.46)
CIE-LCH	lch(25.33, 78.98, 302.69°)
OKLab	oklab(37.45% 0.0053 -0.1924)
OKLCH	oklch(37.45% 0.192 271.6)
XYZ	xyz(8.1870, 4.5238, 35.5565)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2527A4 #A4A225

analogous

#2567A4 #2527A4 #6325A4

triadic

#2527A4 #A42527 #27A425

tetradic

#2527A4 #A42567 #A4A225 #25A463

square

#2527A4 #A42567 #A4A225 #25A463

split-complementary

#2527A4 #A46325 #67A425

monochromatic

#0E0F40 #1A1B72 #2527A4 #3537D1 #6769DD

Accessibility & contrast

On white

11.02

#2527A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2527A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2527A4

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2527A4	#FFFFFF	#000000	##FFFFFF
##2527A4	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2527a4;
/* rgb */ color: rgb(37, 39, 164);
/* oklch */ color: oklch(37.4% 0.192 271.6);

Tailwind

colors: {
  custom: {
    50: '#7663c0',
    500: '#2527a4',
    950: '#000000',
  },
}

SCSS

$custom: #2527a4;
$custom-light: #7663c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2527a4",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 164
  },
  "hsl": {
    "h": 239.055,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37447,
    "c": 0.19249,
    "h": 271.6
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#2527A4

secondary

#C2C162

accent

#E442E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2527A4

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

Preview Lab → · Contrast checker → · Palette generator →