#3474D0#3474D0

#3474D0 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.156 H 257.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3474D0
RGB	rgb(52, 116, 208)
HSL	hsl(215, 62%, 51%)
HSV	hsv(215, 75%, 82%)
CMYK	cmyk(75%, 44.2%, 0%, 18.4%)
CIE-LAB	lab(49.22, 11.45, -53.40)
CIE-LCH	lch(49.22, 54.62, 282.11°)
OKLab	oklab(56.56% -0.0327 -0.153)
OKLCH	oklch(56.56% 0.156 257.9)
XYZ	xyz(19.0426, 17.7728, 62.0892)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3474D0 #D09034

analogous

#34C2D0 #3474D0 #4234D0

triadic

#3474D0 #D03474 #74D034

tetradic

#3474D0 #D034C2 #D09034 #34D042

square

#3474D0 #D034C2 #D09034 #34D042

split-complementary

#3474D0 #D04234 #C2D034

monochromatic

#1A3D70 #2558A1 #3474D0 #6696DC #97B8E7

Accessibility & contrast

On white

4.61

#3474D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3474D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3474D0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3474D0	#FFFFFF	#000000	##FFFFFF
##3474D0	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#266ECE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3474d0;
/* rgb */ color: rgb(52, 116, 208);
/* oklch */ color: oklch(56.6% 0.156 257.9);

Tailwind

colors: {
  custom: {
    50: '#809bdf',
    500: '#3474d0',
    950: '#000000',
  },
}

SCSS

$custom: #3474d0;
$custom-light: #809bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3474d0",
  "rgb": {
    "r": 52,
    "g": 116,
    "b": 208
  },
  "hsl": {
    "h": 215.385,
    "s": 62.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56557,
    "c": 0.15645,
    "h": 257.9
  },
  "luminance": 0.17775
}

Semantic roles & 50–950 ramp

primary

#3474D0

secondary

#D2B68D

accent

#A342E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3474D0

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

Preview Lab → · Contrast checker → · Palette generator →