#3D37CB#3D37CB

#3D37CB is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.2% C 0.218 H 275.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3D37CB
RGB	rgb(61, 55, 203)
HSL	hsl(242, 59%, 51%)
HSV	hsv(242, 73%, 80%)
CMYK	cmyk(70%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(34.06, 48.72, -75.17)
CIE-LCH	lch(34.06, 89.57, 302.95°)
OKLab	oklab(45.24% 0.0191 -0.2173)
OKLCH	oklch(45.24% 0.218 275)
XYZ	xyz(14.0666, 8.0349, 57.2979)
Luminance	0.0804 (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

#3D37CB #C5CB37

analogous

#377BCB #3D37CB #8737CB

triadic

#3D37CB #CB3D37 #37CB3D

tetradic

#3D37CB #CB377B #C5CB37 #37CB87

square

#3D37CB #CB377B #C5CB37 #37CB87

split-complementary

#3D37CB #CB8737 #7BCB37

monochromatic

#1F1C6C #2D299C #3D37CB #6C68D8 #9B98E4

Accessibility & contrast

On white

8.05

#3D37CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3D37CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37CB

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37CB	#FFFFFF	#000000	##FFFFFF
##3D37CB	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CF

Deuteranopia (green-blind)

#0049C8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d37cb;
/* rgb */ color: rgb(61, 55, 203);
/* oklch */ color: oklch(45.2% 0.218 275.0);

Tailwind

colors: {
  custom: {
    50: '#8770dc',
    500: '#3d37cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d37cb;
$custom-light: #8770dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37cb",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 242.432,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45235,
    "c": 0.21816,
    "h": 275
  },
  "luminance": 0.08036
}

Semantic roles & 50–950 ramp

primary

#3D37CB

secondary

#CDD08E

accent

#E246DC

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3D37CB

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

Preview Lab → · Contrast checker → · Palette generator →