#2537C6#2537C6

#2537C6 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.5% C 0.218 H 268.5°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2537C6
RGB	rgb(37, 55, 198)
HSL	hsl(233, 69%, 46%)
HSV	hsv(233, 81%, 78%)
CMYK	cmyk(81.3%, 72.2%, 0%, 22.4%)
CIE-LAB	lab(32.26, 45.01, -75.25)
CIE-LCH	lch(32.26, 87.69, 300.89°)
OKLab	oklab(43.46% -0.0057 -0.2181)
OKLCH	oklch(43.46% 0.218 268.5)
XYZ	xyz(12.3187, 7.2014, 54.1559)
Luminance	0.0720 (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

#2537C6 #C6B425

analogous

#2587C6 #2537C6 #6325C6

triadic

#2537C6 #C62537 #37C625

tetradic

#2537C6 #C62587 #C6B425 #25C663

square

#2537C6 #C62587 #C6B425 #25C663

split-complementary

#2537C6 #C66325 #87C625

monochromatic

#121A5F #1B2992 #2537C6 #4B5BDD #7E8AE7

Accessibility & contrast

On white

8.60

#2537C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2537C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2537C6

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2537C6	#FFFFFF	#000000	##FFFFFF
##2537C6	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CA

Deuteranopia (green-blind)

#0044C3

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2537c6;
/* rgb */ color: rgb(37, 55, 198);
/* oklch */ color: oklch(43.5% 0.218 268.5);

Tailwind

colors: {
  custom: {
    50: '#7d6fd9',
    500: '#2537c6',
    950: '#000000',
  },
}

SCSS

$custom: #2537c6;
$custom-light: #7d6fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#2537c6",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 198
  },
  "hsl": {
    "h": 233.292,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43456,
    "c": 0.21815,
    "h": 268.5
  },
  "luminance": 0.07203
}

Semantic roles & 50–950 ramp

primary

#2537C6

secondary

#CFC677

accent

#D83CEB

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2537C6

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

Preview Lab → · Contrast checker → · Palette generator →