#3478C8#3478C8

#3478C8 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.141 H 254.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3478C8
RGB	rgb(52, 120, 200)
HSL	hsl(212, 59%, 49%)
HSV	hsv(212, 74%, 78%)
CMYK	cmyk(74%, 40%, 0%, 21.6%)
CIE-LAB	lab(49.90, 6.02, -47.76)
CIE-LCH	lch(49.90, 48.14, 277.18°)
OKLab	oklab(56.93% -0.0379 -0.1363)
OKLCH	oklch(56.93% 0.141 254.5)
XYZ	xyz(18.5541, 18.3310, 57.1928)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478C8 #C88434

analogous

#34C2C8 #3478C8 #3A34C8

triadic

#3478C8 #C83478 #78C834

tetradic

#3478C8 #C834C2 #C88434 #34C83A

square

#3478C8 #C834C2 #C88434 #34C83A

split-complementary

#3478C8 #C83A34 #C2C834

monochromatic

#1B3E67 #275B97 #3478C8 #6398D6 #93B8E3

Accessibility & contrast

On white

4.50

#3478C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#3478C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3478C8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478C8	#FFFFFF	#000000	##000000
##3478C8	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527ECB

Deuteranopia (green-blind)

#3A70C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3478c8;
/* rgb */ color: rgb(52, 120, 200);
/* oklch */ color: oklch(56.9% 0.141 254.5);

Tailwind

colors: {
  custom: {
    50: '#7f9ed9',
    500: '#3478c8',
    950: '#000000',
  },
}

SCSS

$custom: #3478c8;
$custom-light: #7f9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3478c8",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 212.432,
    "s": 58.73,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56931,
    "c": 0.14149,
    "h": 254.5
  },
  "luminance": 0.18333
}

Semantic roles & 50–950 ramp

primary

#3478C8

secondary

#CEAF8A

accent

#9A46E2

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3478C8

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

Preview Lab → · Contrast checker → · Palette generator →