#3D75CF#3D75CF

#3D75CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.151 H 259.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D75CF
RGB	rgb(61, 117, 207)
HSL	hsl(217, 60%, 53%)
HSV	hsv(217, 71%, 81%)
CMYK	cmyk(70.5%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.76, 11.67, -51.95)
CIE-LCH	lch(49.76, 53.25, 282.67°)
OKLab	oklab(57.04% -0.0276 -0.1486)
OKLCH	oklch(57.04% 0.151 259.5)
XYZ	xyz(19.5442, 18.2176, 61.5057)
Luminance	0.1822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D75CF #CF973D

analogous

#3DBECF #3D75CF #4E3DCF

triadic

#3D75CF #CF3D75 #75CF3D

tetradic

#3D75CF #CF3DBE #CF973D #3DCF4E

square

#3D75CF #CF3DBE #CF973D #3DCF4E

split-complementary

#3D75CF #CF4E3D #BECF3D

monochromatic

#1D3F75 #2959A6 #3D75CF #6E98DB #9FBBE7

Accessibility & contrast

On white

4.52

#3D75CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3D75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D75CF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D75CF	#FFFFFF	#000000	##000000
##3D75CF	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED2

Deuteranopia (green-blind)

#2F70CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d75cf;
/* rgb */ color: rgb(61, 117, 207);
/* oklch */ color: oklch(57.0% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#849cde',
    500: '#3d75cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d75cf;
$custom-light: #849cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3d75cf",
  "rgb": {
    "r": 61,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 216.986,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57044,
    "c": 0.1511,
    "h": 259.5
  },
  "luminance": 0.1822
}

Semantic roles & 50–950 ramp

primary

#3D75CF

secondary

#D4BB94

accent

#A644E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D75CF

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

Preview Lab → · Contrast checker → · Palette generator →