#3D70BE#3D70BE

#3D70BE is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.9% C 0.134 H 258.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3D70BE
RGB	rgb(61, 112, 190)
HSL	hsl(216, 51%, 49%)
HSV	hsv(216, 68%, 75%)
CMYK	cmyk(67.9%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(47.36, 8.66, -46.03)
CIE-LCH	lch(47.36, 46.84, 280.65°)
OKLab	oklab(54.87% -0.0262 -0.1313)
OKLCH	oklch(54.87% 0.134 258.7)
XYZ	xyz(17.0096, 16.2964, 50.9543)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70BE #BE8B3D

analogous

#3DB1BE #3D70BE #4B3DBE

triadic

#3D70BE #BE3D70 #70BE3D

tetradic

#3D70BE #BE3DB1 #BE8B3D #3DBE4B

square

#3D70BE #BE3DB1 #BE8B3D #3DBE4B

split-complementary

#3D70BE #BE4B3D #B1BE3D

monochromatic

#1F3961 #2E5590 #3D70BE #6991CF #98B3DE

Accessibility & contrast

On white

4.93

#3D70BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3D70BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70BE

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70BE	#FFFFFF	#000000	##FFFFFF
##3D70BE	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C1

Deuteranopia (green-blind)

#386BBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3d70be;
/* rgb */ color: rgb(61, 112, 190);
/* oklch */ color: oklch(54.9% 0.134 258.7);

Tailwind

colors: {
  custom: {
    50: '#8098d2',
    500: '#3d70be',
    950: '#000000',
  },
}

SCSS

$custom: #3d70be;
$custom-light: #8098d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70be",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 216.279,
    "s": 51.394,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5487,
    "c": 0.13387,
    "h": 258.7
  },
  "luminance": 0.16298
}

Semantic roles & 50–950 ramp

primary

#3D70BE

secondary

#C9B28D

accent

#A34DDB

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D70BE

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

Preview Lab → · Contrast checker → · Palette generator →