#2539C6#2539C6

#2539C6 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.216 H 268.3°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2539C6
RGB	rgb(37, 57, 198)
HSL	hsl(233, 69%, 46%)
HSV	hsv(233, 81%, 78%)
CMYK	cmyk(81.3%, 71.2%, 0%, 22.4%)
CIE-LAB	lab(32.69, 43.82, -74.54)
CIE-LCH	lch(32.69, 86.47, 300.45°)
OKLab	oklab(43.77% -0.0065 -0.216)
OKLCH	oklch(43.77% 0.216 268.3)
XYZ	xyz(12.4156, 7.3953, 54.1882)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2539C6 #C6B225

analogous

#2589C6 #2539C6 #6225C6

triadic

#2539C6 #C62539 #39C625

tetradic

#2539C6 #C62589 #C6B225 #25C662

square

#2539C6 #C62589 #C6B225 #25C662

split-complementary

#2539C6 #C66225 #89C625

monochromatic

#121B5F #1B2A92 #2539C6 #4B5DDD #7E8BE7

Accessibility & contrast

On white

8.47

#2539C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2539C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2539C6

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2539C6	#FFFFFF	#000000	##FFFFFF
##2539C6	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CA

Deuteranopia (green-blind)

#0045C3

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2539c6;
/* rgb */ color: rgb(37, 57, 198);
/* oklch */ color: oklch(43.8% 0.216 268.3);

Tailwind

colors: {
  custom: {
    50: '#7d70d9',
    500: '#2539c6',
    950: '#000000',
  },
}

SCSS

$custom: #2539c6;
$custom-light: #7d70d9;
$custom-dark: #000000;

JSON

{
  "hex": "#2539c6",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 198
  },
  "hsl": {
    "h": 232.547,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43765,
    "c": 0.21612,
    "h": 268.3
  },
  "luminance": 0.07397
}

Semantic roles & 50–950 ramp

primary

#2539C6

secondary

#CFC477

accent

#D63CEB

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2539C6

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

Preview Lab → · Contrast checker → · Palette generator →