#3D72CB#3D72CB

#3D72CB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.149 H 260.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3D72CB
RGB	rgb(61, 114, 203)
HSL	hsl(218, 58%, 52%)
HSV	hsv(218, 70%, 80%)
CMYK	cmyk(70%, 43.8%, 0%, 20.4%)
CIE-LAB	lab(48.68, 12.10, -51.39)
CIE-LCH	lch(48.68, 52.80, 283.25°)
OKLab	oklab(56.14% -0.0256 -0.147)
OKLCH	oklch(56.14% 0.149 260.1)
XYZ	xyz(18.7174, 17.3366, 58.8482)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D72CB #CB963D

analogous

#3DB9CB #3D72CB #4F3DCB

triadic

#3D72CB #CB3D72 #72CB3D

tetradic

#3D72CB #CB3DB9 #CB963D #3DCB4F

square

#3D72CB #CB3DB9 #CB963D #3DCB4F

split-complementary

#3D72CB #CB4F3D #B9CB3D

monochromatic

#1E3C70 #2B57A0 #3D72CB #6D95D8 #9EB8E5

Accessibility & contrast

On white

4.70

#3D72CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3D72CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D72CB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D72CB	#FFFFFF	#000000	##FFFFFF
##3D72CB	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#2D6EC9

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d72cb;
/* rgb */ color: rgb(61, 114, 203);
/* oklch */ color: oklch(56.1% 0.149 260.1);

Tailwind

colors: {
  custom: {
    50: '#839adb',
    500: '#3d72cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d72cb;
$custom-light: #839adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d72cb",
  "rgb": {
    "r": 61,
    "g": 114,
    "b": 203
  },
  "hsl": {
    "h": 217.606,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56136,
    "c": 0.14919,
    "h": 260.1
  },
  "luminance": 0.17339
}

Semantic roles & 50–950 ramp

primary

#3D72CB

secondary

#D1BA93

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3D72CB

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

Preview Lab → · Contrast checker → · Palette generator →