#3D70BC#3D70BC

#3D70BC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.7% C 0.131 H 258.3°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3D70BC
RGB	rgb(61, 112, 188)
HSL	hsl(216, 51%, 49%)
HSV	hsv(216, 68%, 74%)
CMYK	cmyk(67.6%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.25, 7.94, -45.06)
CIE-LCH	lch(47.25, 45.75, 279.99°)
OKLab	oklab(54.75% -0.0267 -0.1284)
OKLCH	oklch(54.75% 0.131 258.3)
XYZ	xyz(16.7925, 16.2096, 49.8110)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70BC #BC893D

analogous

#3DB0BC #3D70BC #4A3DBC

triadic

#3D70BC #BC3D70 #70BC3D

tetradic

#3D70BC #BC3DB0 #BC893D #3DBC4A

square

#3D70BC #BC3DB0 #BC893D #3DBC4A

split-complementary

#3D70BC #BC4A3D #B0BC3D

monochromatic

#1F3960 #2E548E #3D70BC #6891CE #96B3DD

Accessibility & contrast

On white

4.95

#3D70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3D70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70BC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70BC	#FFFFFF	#000000	##FFFFFF
##3D70BC	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BF

Deuteranopia (green-blind)

#3A6BBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3d70bc;
/* rgb */ color: rgb(61, 112, 188);
/* oklch */ color: oklch(54.7% 0.131 258.3);

Tailwind

colors: {
  custom: {
    50: '#8098d0',
    500: '#3d70bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d70bc;
$custom-light: #8098d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70bc",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 215.906,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54746,
    "c": 0.13114,
    "h": 258.3
  },
  "luminance": 0.16211
}

Semantic roles & 50–950 ramp

primary

#3D70BC

secondary

#C9B08C

accent

#A24DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D70BC

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

Preview Lab → · Contrast checker → · Palette generator →