#3D75CD#3D75CD

#3D75CD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 56.9% C 0.148 H 259.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3D75CD
RGB	rgb(61, 117, 205)
HSL	hsl(217, 59%, 52%)
HSV	hsv(217, 70%, 80%)
CMYK	cmyk(70.2%, 42.9%, 0%, 19.6%)
CIE-LAB	lab(49.64, 10.95, -51.00)
CIE-LCH	lch(49.64, 52.16, 282.12°)
OKLab	oklab(56.92% -0.0279 -0.1458)
OKLCH	oklch(56.92% 0.148 259.1)
XYZ	xyz(19.3012, 18.1204, 60.2262)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D75CD #CD953D

analogous

#3DBDCD #3D75CD #4D3DCD

triadic

#3D75CD #CD3D75 #75CD3D

tetradic

#3D75CD #CD3DBD #CD953D #3DCD4D

square

#3D75CD #CD3DBD #CD953D #3DCD4D

split-complementary

#3D75CD #CD4D3D #BDCD3D

monochromatic

#1D3E72 #2A59A3 #3D75CD #6E98DA #9EBAE6

Accessibility & contrast

On white

4.54

#3D75CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3D75CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D75CD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D75CD	#FFFFFF	#000000	##000000
##3D75CD	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7DD0

Deuteranopia (green-blind)

#3170CB

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d75cd;
/* rgb */ color: rgb(61, 117, 205);
/* oklch */ color: oklch(56.9% 0.148 259.1);

Tailwind

colors: {
  custom: {
    50: '#839cdd',
    500: '#3d75cd',
    950: '#000000',
  },
}

SCSS

$custom: #3d75cd;
$custom-light: #839cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3d75cd",
  "rgb": {
    "r": 61,
    "g": 117,
    "b": 205
  },
  "hsl": {
    "h": 216.667,
    "s": 59.016,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56916,
    "c": 0.14842,
    "h": 259.1
  },
  "luminance": 0.18122
}

Semantic roles & 50–950 ramp

primary

#3D75CD

secondary

#D2BA93

accent

#A546E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D75CD

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

Preview Lab → · Contrast checker → · Palette generator →