#3A78BC#3A78BC

#3A78BC is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.124 H 252.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A78BC
RGB	rgb(58, 120, 188)
HSL	hsl(211, 53%, 48%)
HSV	hsv(211, 69%, 74%)
CMYK	cmyk(69.1%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(49.45, 2.53, -41.57)
CIE-LCH	lch(49.45, 41.65, 273.48°)
OKLab	oklab(56.43% -0.0368 -0.1181)
OKLCH	oklch(56.43% 0.124 252.7)
XYZ	xyz(17.5351, 17.9615, 50.1100)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78BC #BC7E3A

analogous

#3AB9BC #3A78BC #3D3ABC

triadic

#3A78BC #BC3A78 #78BC3A

tetradic

#3A78BC #BC3AB9 #BC7E3A #3ABC3D

square

#3A78BC #BC3AB9 #BC7E3A #3ABC3D

split-complementary

#3A78BC #BC3D3A #B9BC3A

monochromatic

#1D3C5E #2C5A8D #3A78BC #6497CF #93B6DE

Accessibility & contrast

On white

4.57

#3A78BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3A78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78BC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78BC	#FFFFFF	#000000	##000000
##3A78BC	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBF

Deuteranopia (green-blind)

#4770BB

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a78bc;
/* rgb */ color: rgb(58, 120, 188);
/* oklch */ color: oklch(56.4% 0.124 252.7);

Tailwind

colors: {
  custom: {
    50: '#7f9ed0',
    500: '#3a78bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a78bc;
$custom-light: #7f9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78bc",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 211.385,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56429,
    "c": 0.12373,
    "h": 252.7
  },
  "luminance": 0.17963
}

Semantic roles & 50–950 ramp

primary

#3A78BC

secondary

#C9AA89

accent

#974CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A78BC

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

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