#3A78CD#3A78CD

#3A78CD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.5% C 0.146 H 257.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A78CD
RGB	rgb(58, 120, 205)
HSL	hsl(215, 60%, 52%)
HSV	hsv(215, 72%, 80%)
CMYK	cmyk(71.7%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(50.38, 8.66, -49.83)
CIE-LCH	lch(50.38, 50.57, 279.86°)
OKLab	oklab(57.46% -0.0328 -0.1423)
OKLCH	oklch(57.46% 0.146 257)
XYZ	xyz(19.4768, 18.7381, 60.3361)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78CD #CD8F3A

analogous

#3AC1CD #3A78CD #463ACD

triadic

#3A78CD #CD3A78 #78CD3A

tetradic

#3A78CD #CD3AC1 #CD8F3A #3ACD46

square

#3A78CD #CD3AC1 #CD8F3A #3ACD46

split-complementary

#3A78CD #CD463A #C1CD3A

monochromatic

#1C4070 #295CA1 #3A78CD #6B99D9 #9CBBE6

Accessibility & contrast

On white

4.42

#3A78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3A78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78CD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78CD	#FFFFFF	#000000	##000000
##3A78CD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD0

Deuteranopia (green-blind)

#3772CB

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a78cd;
/* rgb */ color: rgb(58, 120, 205);
/* oklch */ color: oklch(57.5% 0.146 257.0);

Tailwind

colors: {
  custom: {
    50: '#829edd',
    500: '#3a78cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a78cd;
$custom-light: #829edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78cd",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 214.694,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57456,
    "c": 0.14606,
    "h": 257
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary

#3A78CD

secondary

#D2B691

accent

#A045E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A78CD

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

Preview Lab → · Contrast checker → · Palette generator →