#3D74D1#3D74D1

#3D74D1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.0% C 0.155 H 260.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3D74D1
RGB	rgb(61, 116, 209)
HSL	hsl(218, 62%, 53%)
HSV	hsv(218, 71%, 82%)
CMYK	cmyk(70.8%, 44.5%, 0%, 18%)
CIE-LAB	lab(49.60, 13.02, -53.35)
CIE-LCH	lch(49.60, 54.91, 283.72°)
OKLab	oklab(56.96% -0.0263 -0.1527)
OKLCH	oklch(56.96% 0.155 260.2)
XYZ	xyz(19.6743, 18.0842, 62.7630)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D74D1 #D19A3D

analogous

#3DBED1 #3D74D1 #503DD1

triadic

#3D74D1 #D13D74 #74D13D

tetradic

#3D74D1 #D13DBE #D19A3D #3DD150

square

#3D74D1 #D13DBE #D19A3D #3DD150

split-complementary

#3D74D1 #D1503D #BED13D

monochromatic

#1C3E77 #2858A9 #3D74D1 #6E97DD #A0BBE8

Accessibility & contrast

On white

4.55

#3D74D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3D74D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D74D1

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D74D1	#FFFFFF	#000000	##000000
##3D74D1	1.00	4.55	4.62	4.62
#FFFFFF	4.55	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)

#457DD5

Deuteranopia (green-blind)

#2970CF

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d74d1;
/* rgb */ color: rgb(61, 116, 209);
/* oklch */ color: oklch(57.0% 0.155 260.2);

Tailwind

colors: {
  custom: {
    50: '#849be0',
    500: '#3d74d1',
    950: '#000000',
  },
}

SCSS

$custom: #3d74d1;
$custom-light: #849be0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d74d1",
  "rgb": {
    "r": 61,
    "g": 116,
    "b": 209
  },
  "hsl": {
    "h": 217.703,
    "s": 61.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56958,
    "c": 0.15494,
    "h": 260.2
  },
  "luminance": 0.18086
}

Semantic roles & 50–950 ramp

primary

#3D74D1

secondary

#D5BD95

accent

#A943E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D74D1

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

Preview Lab → · Contrast checker → · Palette generator →