#3478B5#3478B5

#3478B5 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.117 H 248.6°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3478B5
RGB	rgb(52, 120, 181)
HSL	hsl(208, 55%, 46%)
HSV	hsv(208, 71%, 71%)
CMYK	cmyk(71.3%, 33.7%, 0%, 29%)
CIE-LAB	lab(48.88, -0.90, -38.44)
CIE-LCH	lch(48.88, 38.45, 268.65°)
OKLab	oklab(55.81% -0.0428 -0.1091)
OKLCH	oklch(55.81% 0.117 248.6)
XYZ	xyz(16.4700, 17.4974, 46.2164)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3478B5 #B57134

analogous

#34B5B1 #3478B5 #3437B5

triadic

#3478B5 #B53478 #78B534

tetradic

#3478B5 #B134B5 #B57134 #37B534

square

#3478B5 #B134B5 #B57134 #37B534

split-complementary

#3478B5 #B53437 #B5B134

monochromatic

#193956 #265885 #3478B5 #5796CF #87B4DC

Accessibility & contrast

On white

4.67

#3478B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3478B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3478B5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3478B5	#FFFFFF	#000000	##FFFFFF
##3478B5	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7BB8

Deuteranopia (green-blind)

#4A6FB4

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3478b5;
/* rgb */ color: rgb(52, 120, 181);
/* oklch */ color: oklch(55.8% 0.117 248.6);

Tailwind

colors: {
  custom: {
    50: '#7b9ecb',
    500: '#3478b5',
    950: '#000000',
  },
}

SCSS

$custom: #3478b5;
$custom-light: #7b9ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3478b5",
  "rgb": {
    "r": 52,
    "g": 120,
    "b": 181
  },
  "hsl": {
    "h": 208.372,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.11714,
    "h": 248.6
  },
  "luminance": 0.17499
}

Semantic roles & 50–950 ramp

primary

#3478B5

secondary

#C6A07F

accent

#9049DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3478B5

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

Preview Lab → · Contrast checker → · Palette generator →