#3D70BA#3D70BA

#3D70BA is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.6% C 0.128 H 257.8°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3D70BA
RGB	rgb(61, 112, 186)
HSL	hsl(216, 51%, 48%)
HSV	hsv(216, 67%, 73%)
CMYK	cmyk(67.2%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(47.14, 7.22, -44.08)
CIE-LCH	lch(47.14, 44.67, 279.31°)
OKLab	oklab(54.62% -0.0271 -0.1255)
OKLCH	oklch(54.62% 0.128 257.8)
XYZ	xyz(16.5784, 16.1239, 48.6834)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70BA #BA873D

analogous

#3DAEBA #3D70BA #483DBA

triadic

#3D70BA #BA3D70 #70BA3D

tetradic

#3D70BA #BA3DAE #BA873D #3DBA48

square

#3D70BA #BA3DAE #BA873D #3DBA48

split-complementary

#3D70BA #BA483D #AEBA3D

monochromatic

#1F385E #2E548C #3D70BA #6791CD #95B2DC

Accessibility & contrast

On white

4.97

#3D70BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3D70BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70BA

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70BA	#FFFFFF	#000000	##FFFFFF
##3D70BA	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#3C6AB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3d70ba;
/* rgb */ color: rgb(61, 112, 186);
/* oklch */ color: oklch(54.6% 0.128 257.8);

Tailwind

colors: {
  custom: {
    50: '#8098cf',
    500: '#3d70ba',
    950: '#000000',
  },
}

SCSS

$custom: #3d70ba;
$custom-light: #8098cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70ba",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 215.52,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54624,
    "c": 0.12843,
    "h": 257.8
  },
  "luminance": 0.16126
}

Semantic roles & 50–950 ramp

primary

#3D70BA

secondary

#C8AF8B

accent

#A14EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D70BA

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

Preview Lab → · Contrast checker → · Palette generator →