#2D37CE#2D37CE

#2D37CE is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.226 H 270.2°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2D37CE
RGB	rgb(45, 55, 206)
HSL	hsl(236, 64%, 49%)
HSV	hsv(236, 78%, 81%)
CMYK	cmyk(78.2%, 73.3%, 0%, 19.2%)
CIE-LAB	lab(33.45, 48.29, -77.95)
CIE-LCH	lch(33.45, 91.70, 301.78°)
OKLab	oklab(44.65% 0.0007 -0.2258)
OKLCH	oklch(44.65% 0.226 270.2)
XYZ	xyz(13.5852, 7.7450, 59.1595)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37CE #CEC42D

analogous

#2D88CE #2D37CE #742DCE

triadic

#2D37CE #CE2D37 #37CE2D

tetradic

#2D37CE #CE2D88 #CEC42D #2DCE74

square

#2D37CE #CE2D88 #CEC42D #2DCE74

split-complementary

#2D37CE #CE742D #88CE2D

monochromatic

#171C6A #222A9C #2D37CE #5D65DC #8F94E7

Accessibility & contrast

On white

8.24

#2D37CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2D37CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37CE

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37CE	#FFFFFF	#000000	##FFFFFF
##2D37CE	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D2

Deuteranopia (green-blind)

#0047CB

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2d37ce;
/* rgb */ color: rgb(45, 55, 206);
/* oklch */ color: oklch(44.6% 0.226 270.2);

Tailwind

colors: {
  custom: {
    50: '#826fde',
    500: '#2d37ce',
    950: '#000000',
  },
}

SCSS

$custom: #2d37ce;
$custom-light: #826fde;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37ce",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 206
  },
  "hsl": {
    "h": 236.273,
    "s": 64.143,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44647,
    "c": 0.22576,
    "h": 270.2
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#2D37CE

secondary

#D1CC86

accent

#DD41E7

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2D37CE

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

Preview Lab → · Contrast checker → · Palette generator →