#3D74CF#3D74CF

#3D74CF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.152 H 259.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3D74CF
RGB	rgb(61, 116, 207)
HSL	hsl(217, 60%, 53%)
HSV	hsv(217, 71%, 81%)
CMYK	cmyk(70.5%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.48, 12.30, -52.40)
CIE-LCH	lch(49.48, 53.82, 283.21°)
OKLab	oklab(56.83% -0.0266 -0.1499)
OKLCH	oklch(56.83% 0.152 259.9)
XYZ	xyz(19.4283, 17.9858, 61.4671)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D74CF #CF983D

analogous

#3DBDCF #3D74CF #4F3DCF

triadic

#3D74CF #CF3D74 #74CF3D

tetradic

#3D74CF #CF3DBD #CF983D #3DCF4F

square

#3D74CF #CF3DBD #CF983D #3DCF4F

split-complementary

#3D74CF #CF4F3D #BDCF3D

monochromatic

#1D3E75 #2958A6 #3D74CF #6E97DB #9FBAE7

Accessibility & contrast

On white

4.57

#3D74CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3D74CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D74CF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D74CF	#FFFFFF	#000000	##000000
##3D74CF	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477DD2

Deuteranopia (green-blind)

#2C6FCD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d74cf;
/* rgb */ color: rgb(61, 116, 207);
/* oklch */ color: oklch(56.8% 0.152 259.9);

Tailwind

colors: {
  custom: {
    50: '#849bde',
    500: '#3d74cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d74cf;
$custom-light: #849bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3d74cf",
  "rgb": {
    "r": 61,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 217.397,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56828,
    "c": 0.15225,
    "h": 259.9
  },
  "luminance": 0.17988
}

Semantic roles & 50–950 ramp

primary

#3D74CF

secondary

#D4BC94

accent

#A844E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D74CF

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

Preview Lab → · Contrast checker → · Palette generator →