#3A78C8#3A78C8

#3A78C8 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.139 H 255.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A78C8
RGB	rgb(58, 120, 200)
HSL	hsl(214, 56%, 51%)
HSV	hsv(214, 71%, 78%)
CMYK	cmyk(71%, 40%, 0%, 21.6%)
CIE-LAB	lab(50.10, 6.85, -47.42)
CIE-LCH	lch(50.10, 47.91, 278.22°)
OKLab	oklab(57.15% -0.0339 -0.1353)
OKLCH	oklch(57.15% 0.139 255.9)
XYZ	xyz(18.8829, 18.5006, 57.2082)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A78C8 #C88A3A

analogous

#3ABFC8 #3A78C8 #433AC8

triadic

#3A78C8 #C83A78 #78C83A

tetradic

#3A78C8 #C83ABF #C88A3A #3AC843

square

#3A78C8 #C83ABF #C88A3A #3AC843

split-complementary

#3A78C8 #C8433A #BFC83A

monochromatic

#1E3F6A #2B5B9A #3A78C8 #6A99D5 #9ABAE3

Accessibility & contrast

On white

4.47

#3A78C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3A78C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A78C8

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A78C8	#FFFFFF	#000000	##000000
##3A78C8	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECB

Deuteranopia (green-blind)

#3C71C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a78c8;
/* rgb */ color: rgb(58, 120, 200);
/* oklch */ color: oklch(57.1% 0.139 255.9);

Tailwind

colors: {
  custom: {
    50: '#819ed9',
    500: '#3a78c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a78c8;
$custom-light: #819ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a78c8",
  "rgb": {
    "r": 58,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 213.803,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57146,
    "c": 0.13946,
    "h": 255.9
  },
  "luminance": 0.18503
}

Semantic roles & 50–950 ramp

primary

#3A78C8

secondary

#CEB38F

accent

#9E48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A78C8

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

Preview Lab → · Contrast checker → · Palette generator →