#3D78B1#3D78B1

#3D78B1 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.9% C 0.108 H 249.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3D78B1
RGB	rgb(61, 120, 177)
HSL	hsl(209, 49%, 47%)
HSV	hsv(209, 66%, 69%)
CMYK	cmyk(65.5%, 32.2%, 0%, 30.6%)
CIE-LAB	lab(49.00, -0.85, -35.91)
CIE-LCH	lch(49.00, 35.92, 268.64°)
OKLab	oklab(55.93% -0.0377 -0.1016)
OKLCH	oklch(55.93% 0.108 249.6)
XYZ	xyz(16.5738, 17.5977, 44.1097)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78B1 #B1763D

analogous

#3DB1B0 #3D78B1 #3D3EB1

triadic

#3D78B1 #B13D78 #78B13D

tetradic

#3D78B1 #B03DB1 #B1763D #3EB13D

square

#3D78B1 #B03DB1 #B1763D #3EB13D

split-complementary

#3D78B1 #B13D3E #B1B03D

monochromatic

#1E3A56 #2D5983 #3D78B1 #6296C9 #90B5D9

Accessibility & contrast

On white

4.65

#3D78B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3D78B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D78B1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78B1	#FFFFFF	#000000	##FFFFFF
##3D78B1	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB3

Deuteranopia (green-blind)

#4F6FB0

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d78b1;
/* rgb */ color: rgb(61, 120, 177);
/* oklch */ color: oklch(55.9% 0.108 249.6);

Tailwind

colors: {
  custom: {
    50: '#7e9ec8',
    500: '#3d78b1',
    950: '#000000',
  },
}

SCSS

$custom: #3d78b1;
$custom-light: #7e9ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78b1",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 177
  },
  "hsl": {
    "h": 209.483,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55929,
    "c": 0.10833,
    "h": 249.6
  },
  "luminance": 0.17599
}

Semantic roles & 50–950 ramp

primary

#3D78B1

secondary

#C4A486

accent

#9350D8

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3D78B1

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

Preview Lab → · Contrast checker → · Palette generator →