#3D72BF#3D72BF

#3D72BF is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.133 H 257.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3D72BF
RGB	rgb(61, 114, 191)
HSL	hsl(216, 52%, 49%)
HSV	hsv(216, 68%, 75%)
CMYK	cmyk(68.1%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(47.99, 7.77, -45.61)
CIE-LCH	lch(47.99, 46.27, 279.67°)
OKLab	oklab(55.38% -0.028 -0.13)
OKLCH	oklch(55.38% 0.133 257.8)
XYZ	xyz(17.3424, 16.7865, 51.6063)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D72BF #BF8A3D

analogous

#3DB3BF #3D72BF #493DBF

triadic

#3D72BF #BF3D72 #72BF3D

tetradic

#3D72BF #BF3DB3 #BF8A3D #3DBF49

square

#3D72BF #BF3DB3 #BF8A3D #3DBF49

split-complementary

#3D72BF #BF493D #B3BF3D

monochromatic

#1F3B62 #2E5691 #3D72BF #6A93CF #98B5DE

Accessibility & contrast

On white

4.82

#3D72BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3D72BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D72BF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D72BF	#FFFFFF	#000000	##FFFFFF
##3D72BF	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C2

Deuteranopia (green-blind)

#3B6CBD

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3d72bf;
/* rgb */ color: rgb(61, 114, 191);
/* oklch */ color: oklch(55.4% 0.133 257.8);

Tailwind

colors: {
  custom: {
    50: '#819ad3',
    500: '#3d72bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d72bf;
$custom-light: #819ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d72bf",
  "rgb": {
    "r": 61,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 215.538,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55377,
    "c": 0.13297,
    "h": 257.8
  },
  "luminance": 0.16788
}

Semantic roles & 50–950 ramp

primary

#3D72BF

secondary

#CAB18E

accent

#A14DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3D72BF

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

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