#3D78B2#3D78B2

#3D78B2 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.110 H 250.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D78B2
RGB	rgb(61, 120, 178)
HSL	hsl(210, 49%, 47%)
HSV	hsv(210, 66%, 70%)
CMYK	cmyk(65.7%, 32.6%, 0%, 30.2%)
CIE-LAB	lab(49.05, -0.50, -36.41)
CIE-LCH	lch(49.05, 36.41, 269.21°)
OKLab	oklab(55.98% -0.0374 -0.103)
OKLCH	oklch(55.98% 0.11 250)
XYZ	xyz(16.6739, 17.6377, 44.6365)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78B2 #B2773D

analogous

#3DB2B2 #3D78B2 #3D3DB2

triadic

#3D78B2 #B23D78 #78B23D

tetradic

#3D78B2 #B23DB2 #B2773D #3DB23D

square

#3D78B2 #B23DB2 #B2773D #3DB23D

split-complementary

#3D78B2 #B23D3D #B2B23D

monochromatic

#1E3B57 #2D5984 #3D78B2 #6397C9 #90B5D9

Accessibility & contrast

On white

4.64

#3D78B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3D78B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D78B2

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78B2	#FFFFFF	#000000	##FFFFFF
##3D78B2	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB4

Deuteranopia (green-blind)

#4F6FB1

Tritanopia (blue-blind)

#00868D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d78b2;
/* rgb */ color: rgb(61, 120, 178);
/* oklch */ color: oklch(56.0% 0.110 250.0);

Tailwind

colors: {
  custom: {
    50: '#7e9ec9',
    500: '#3d78b2',
    950: '#000000',
  },
}

SCSS

$custom: #3d78b2;
$custom-light: #7e9ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78b2",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 178
  },
  "hsl": {
    "h": 209.744,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55984,
    "c": 0.1096,
    "h": 250
  },
  "luminance": 0.17639
}

Semantic roles & 50–950 ramp

primary

#3D78B2

secondary

#C4A587

accent

#934FD9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D78B2

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

Preview Lab → · Contrast checker → · Palette generator →