#3D78CF#3D78CF

#3D78CF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.7% C 0.148 H 258.2°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D78CF
RGB	rgb(61, 120, 207)
HSL	hsl(216, 60%, 53%)
HSV	hsv(216, 71%, 81%)
CMYK	cmyk(70.5%, 42%, 0%, 18.8%)
CIE-LAB	lab(50.60, 9.81, -50.60)
CIE-LCH	lch(50.60, 51.55, 280.98°)
OKLab	oklab(57.7% -0.0303 -0.1446)
OKLCH	oklch(57.7% 0.148 258.2)
XYZ	xyz(19.8993, 18.9279, 61.6241)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78CF #CF943D

analogous

#3DC1CF #3D78CF #4B3DCF

triadic

#3D78CF #CF3D78 #78CF3D

tetradic

#3D78CF #CF3DC1 #CF943D #3DCF4B

square

#3D78CF #CF3DC1 #CF943D #3DCF4B

split-complementary

#3D78CF #CF4B3D #C1CF3D

monochromatic

#1D4075 #295BA6 #3D78CF #6E9ADB #9FBCE7

Accessibility & contrast

On white

4.39

#3D78CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3D78CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78CF

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78CF	#FFFFFF	#000000	##000000
##3D78CF	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E80D2

Deuteranopia (green-blind)

#3672CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3d78cf;
/* rgb */ color: rgb(61, 120, 207);
/* oklch */ color: oklch(57.7% 0.148 258.2);

Tailwind

colors: {
  custom: {
    50: '#839ede',
    500: '#3d78cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d78cf;
$custom-light: #839ede;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78cf",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 215.753,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57697,
    "c": 0.1477,
    "h": 258.2
  },
  "luminance": 0.1893
}

Semantic roles & 50–950 ramp

primary

#3D78CF

secondary

#D4BA94

accent

#A344E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D78CF

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

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