#2527B2#2527B2

#2527B2 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.0% C 0.209 H 270.7°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#2527B2
RGB	rgb(37, 39, 178)
HSL	hsl(239, 66%, 42%)
HSV	hsv(239, 79%, 70%)
CMYK	cmyk(79.2%, 78.1%, 0%, 30.2%)
CIE-LAB	lab(26.90, 47.31, -72.30)
CIE-LCH	lch(26.90, 86.40, 303.20°)
OKLab	oklab(39.01% 0.0027 -0.2094)
OKLCH	oklch(39.01% 0.209 270.7)
XYZ	xyz(9.5216, 5.0576, 42.5852)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2527B2 #B2B025

analogous

#256EB2 #2527B2 #6A25B2

triadic

#2527B2 #B22527 #27B225

tetradic

#2527B2 #B2256E #B2B025 #25B26A

square

#2527B2 #B2256E #B2B025 #25B26A

split-complementary

#2527B2 #B26A25 #6EB225

monochromatic

#10114D #1A1C7F #2527B2 #3D40D7 #7072E1

Accessibility & contrast

On white

10.44

#2527B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2527B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2527B2

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2527B2	#FFFFFF	#000000	##FFFFFF
##2527B2	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#0038B0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2527b2;
/* rgb */ color: rgb(37, 39, 178);
/* oklch */ color: oklch(39.0% 0.209 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a64ca',
    500: '#2527b2',
    950: '#000000',
  },
}

SCSS

$custom: #2527b2;
$custom-light: #7a64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2527b2",
  "rgb": {
    "r": 37,
    "g": 39,
    "b": 178
  },
  "hsl": {
    "h": 239.149,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.3901,
    "c": 0.20938,
    "h": 270.7
  },
  "luminance": 0.05059
}

Semantic roles & 50–950 ramp

primary

#2527B2

secondary

#C8C76B

accent

#E63FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2527B2

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

Preview Lab → · Contrast checker → · Palette generator →