#2527A8#2527A8

#2527A8 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.197 H 271.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#2527A8
RGB	rgb(37, 39, 168)
HSL	hsl(239, 64%, 40%)
HSV	hsv(239, 78%, 66%)
CMYK	cmyk(78%, 76.8%, 0%, 34.1%)
CIE-LAB	lab(25.77, 44.00, -68.15)
CIE-LCH	lch(25.77, 81.12, 302.85°)
OKLab	oklab(37.89% 0.0045 -0.1973)
OKLCH	oklch(37.89% 0.197 271.3)
XYZ	xyz(8.5540, 4.6706, 37.4889)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2527A8 #A8A625

analogous

#2568A8 #2527A8 #6425A8

triadic

#2527A8 #A82527 #27A825

tetradic

#2527A8 #A82568 #A8A625 #25A864

square

#2527A8 #A82568 #A8A625 #25A864

split-complementary

#2527A8 #A86425 #68A825

monochromatic

#0F1044 #1A1B76 #2527A8 #373AD3 #696BDE

Accessibility & contrast

On white

10.86

#2527A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2527A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2527A8

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2527A8	#FFFFFF	#000000	##FFFFFF
##2527A8	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2527a8;
/* rgb */ color: rgb(37, 39, 168);
/* oklch */ color: oklch(37.9% 0.197 271.3);

Tailwind

colors: {
  custom: {
    50: '#7763c3',
    500: '#2527a8',
    950: '#000000',
  },
}

SCSS

$custom: #2527a8;
$custom-light: #7763c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2527a8",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 168
  },
  "hsl": {
    "h": 239.084,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3789,
    "c": 0.19737,
    "h": 271.3
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#2527A8

secondary

#C4C365

accent

#E441E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2527A8

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

Preview Lab → · Contrast checker → · Palette generator →