#3D75D1#3D75D1

#3D75D1 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.154 H 259.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D75D1
RGB	rgb(61, 117, 209)
HSL	hsl(217, 62%, 53%)
HSV	hsv(217, 71%, 82%)
CMYK	cmyk(70.8%, 44%, 0%, 18%)
CIE-LAB	lab(49.88, 12.40, -52.90)
CIE-LCH	lch(49.88, 54.33, 283.19°)
OKLab	oklab(57.17% -0.0272 -0.1514)
OKLCH	oklch(57.17% 0.154 259.8)
XYZ	xyz(19.7902, 18.3160, 62.8016)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D75D1 #D1993D

analogous

#3DBFD1 #3D75D1 #4F3DD1

triadic

#3D75D1 #D13D75 #75D13D

tetradic

#3D75D1 #D13DBF #D1993D #3DD14F

square

#3D75D1 #D13DBF #D1993D #3DD14F

split-complementary

#3D75D1 #D14F3D #BFD13D

monochromatic

#1C3F77 #2859A9 #3D75D1 #6E98DD #A0BBE8

Accessibility & contrast

On white

4.50

#3D75D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3D75D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D75D1

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D75D1	#FFFFFF	#000000	##000000
##3D75D1	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ED5

Deuteranopia (green-blind)

#2C70CF

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3d75d1;
/* rgb */ color: rgb(61, 117, 209);
/* oklch */ color: oklch(57.2% 0.154 259.8);

Tailwind

colors: {
  custom: {
    50: '#849ce0',
    500: '#3d75d1',
    950: '#000000',
  },
}

SCSS

$custom: #3d75d1;
$custom-light: #849ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d75d1",
  "rgb": {
    "r": 61,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 217.297,
    "s": 61.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57174,
    "c": 0.15378,
    "h": 259.8
  },
  "luminance": 0.18318
}

Semantic roles & 50–950 ramp

primary

#3D75D1

secondary

#D5BD95

accent

#A843E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D75D1

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

Preview Lab → · Contrast checker → · Palette generator →