#3A78AD#3A78AD

#3A78AD is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.6% C 0.105 H 246.9°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A78AD
RGB	rgb(58, 120, 173)
HSL	hsl(208, 50%, 45%)
HSV	hsv(208, 66%, 68%)
CMYK	cmyk(66.5%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(48.70, -2.77, -34.08)
CIE-LCH	lch(48.70, 34.19, 265.35°)
OKLab	oklab(55.59% -0.0411 -0.0963)
OKLCH	oklch(55.59% 0.105 246.9)
XYZ	xyz(16.0014, 17.3480, 42.0323)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78AD #AD6F3A

analogous

#3AADA8 #3A78AD #3A3EAD

triadic

#3A78AD #AD3A78 #78AD3A

tetradic

#3A78AD #A83AAD #AD6F3A #3EAD3A

square

#3A78AD #A83AAD #AD6F3A #3EAD3A

split-complementary

#3A78AD #AD3A3E #ADA83A

monochromatic

#1B3851 #2B587F #3A78AD #5C96C8 #8AB4D8

Accessibility & contrast

On white

4.70

#3A78AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3A78AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A78AD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78AD	#FFFFFF	#000000	##FFFFFF
##3A78AD	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617AAF

Deuteranopia (green-blind)

#516FAC

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a78ad;
/* rgb */ color: rgb(58, 120, 173);
/* oklch */ color: oklch(55.6% 0.105 246.9);

Tailwind

colors: {
  custom: {
    50: '#7c9ec5',
    500: '#3a78ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a78ad;
$custom-light: #7c9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78ad",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 207.652,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5559,
    "c": 0.10468,
    "h": 246.9
  },
  "luminance": 0.1735
}

Semantic roles & 50–950 ramp

primary

#3A78AD

secondary

#C29F81

accent

#8E4ED9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3A78AD

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

Preview Lab → · Contrast checker → · Palette generator →