#3D70C8#3D70C8

#3D70C8 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.147 H 260.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3D70C8
RGB	rgb(61, 112, 200)
HSL	hsl(218, 56%, 51%)
HSV	hsv(218, 70%, 78%)
CMYK	cmyk(69.5%, 44%, 0%, 21.6%)
CIE-LAB	lab(47.94, 12.26, -50.86)
CIE-LCH	lch(47.94, 52.32, 283.56°)
OKLab	oklab(55.51% -0.0243 -0.1454)
OKLCH	oklch(55.51% 0.147 260.5)
XYZ	xyz(18.1402, 16.7487, 56.9092)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70C8 #C8953D

analogous

#3DB5C8 #3D70C8 #4F3DC8

triadic

#3D70C8 #C83D70 #70C83D

tetradic

#3D70C8 #C83DB5 #C8953D #3DC84F

square

#3D70C8 #C83DB5 #C8953D #3DC84F

split-complementary

#3D70C8 #C84F3D #B5C83D

monochromatic

#1F3B6C #2C559C #3D70C8 #6D93D6 #9CB6E3

Accessibility & contrast

On white

4.83

#3D70C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3D70C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70C8

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70C8	#FFFFFF	#000000	##FFFFFF
##3D70C8	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CB

Deuteranopia (green-blind)

#2C6CC6

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3d70c8;
/* rgb */ color: rgb(61, 112, 200);
/* oklch */ color: oklch(55.5% 0.147 260.5);

Tailwind

colors: {
  custom: {
    50: '#8298d9',
    500: '#3d70c8',
    950: '#000000',
  },
}

SCSS

$custom: #3d70c8;
$custom-light: #8298d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70c8",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 217.986,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55508,
    "c": 0.14745,
    "h": 260.5
  },
  "luminance": 0.16751
}

Semantic roles & 50–950 ramp

primary

#3D70C8

secondary

#CFB992

accent

#A849DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3D70C8

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

Preview Lab → · Contrast checker → · Palette generator →