#3A78BA#3A78BA

#3A78BA is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.121 H 252.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A78BA
RGB	rgb(58, 120, 186)
HSL	hsl(211, 52%, 48%)
HSV	hsv(211, 69%, 73%)
CMYK	cmyk(68.8%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(49.35, 1.82, -40.58)
CIE-LCH	lch(49.35, 40.62, 272.56°)
OKLab	oklab(56.31% -0.0373 -0.1152)
OKLCH	oklch(56.31% 0.121 252)
XYZ	xyz(17.3210, 17.8758, 48.9824)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78BA #BA7C3A

analogous

#3AB8BA #3A78BA #3C3ABA

triadic

#3A78BA #BA3A78 #78BA3A

tetradic

#3A78BA #BA3AB8 #BA7C3A #3ABA3C

square

#3A78BA #BA3AB8 #BA7C3A #3ABA3C

split-complementary

#3A78BA #BA3C3A #B8BA3A

monochromatic

#1D3C5D #2B5A8B #3A78BA #6397CE #92B6DD

Accessibility & contrast

On white

4.59

#3A78BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3A78BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A78BA

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78BA	#FFFFFF	#000000	##FFFFFF
##3A78BA	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7CBD

Deuteranopia (green-blind)

#4870B9

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a78ba;
/* rgb */ color: rgb(58, 120, 186);
/* oklch */ color: oklch(56.3% 0.121 252.0);

Tailwind

colors: {
  custom: {
    50: '#7e9ecf',
    500: '#3a78ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a78ba;
$custom-light: #7e9ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78ba",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 210.938,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.12113,
    "h": 252
  },
  "luminance": 0.17878
}

Semantic roles & 50–950 ramp

primary

#3A78BA

secondary

#C8A988

accent

#964CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A78BA

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

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