#3D70CA#3D70CA

#3D70CA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.150 H 260.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3D70CA
RGB	rgb(61, 112, 202)
HSL	hsl(218, 57%, 52%)
HSV	hsv(218, 70%, 79%)
CMYK	cmyk(69.8%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(48.06, 12.99, -51.81)
CIE-LCH	lch(48.06, 53.42, 284.07°)
OKLab	oklab(55.64% -0.0239 -0.1482)
OKLCH	oklch(55.64% 0.15 260.8)
XYZ	xyz(18.3755, 16.8428, 58.1482)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70CA #CA973D

analogous

#3DB7CA #3D70CA #513DCA

triadic

#3D70CA #CA3D70 #70CA3D

tetradic

#3D70CA #CA3DB7 #CA973D #3DCA51

square

#3D70CA #CA3DB7 #CA973D #3DCA51

split-complementary

#3D70CA #CA513D #B7CA3D

monochromatic

#1E3B6E #2B559F #3D70CA #6D93D7 #9DB7E4

Accessibility & contrast

On white

4.81

#3D70CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3D70CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70CA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70CA	#FFFFFF	#000000	##FFFFFF
##3D70CA	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4379CD

Deuteranopia (green-blind)

#296CC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3d70ca;
/* rgb */ color: rgb(61, 112, 202);
/* oklch */ color: oklch(55.6% 0.150 260.8);

Tailwind

colors: {
  custom: {
    50: '#8398db',
    500: '#3d70ca',
    950: '#000000',
  },
}

SCSS

$custom: #3d70ca;
$custom-light: #8398db;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70ca",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 218.298,
    "s": 57.085,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55638,
    "c": 0.15017,
    "h": 260.8
  },
  "luminance": 0.16845
}

Semantic roles & 50–950 ramp

primary

#3D70CA

secondary

#D0BA92

accent

#A947E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3D70CA

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

Preview Lab → · Contrast checker → · Palette generator →