#3477DD#3477DD

#3477DD is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.1% C 0.170 H 258.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3477DD
RGB	rgb(52, 119, 221)
HSL	hsl(216, 71%, 54%)
HSV	hsv(216, 76%, 87%)
CMYK	cmyk(76.5%, 46.2%, 0%, 13.3%)
CIE-LAB	lab(50.85, 14.40, -58.15)
CIE-LCH	lch(50.85, 59.91, 283.91°)
OKLab	oklab(58.07% -0.0329 -0.1669)
OKLCH	oklch(58.07% 0.17 258.8)
XYZ	xyz(21.0594, 19.1417, 70.9774)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3477DD #DD9A34

analogous

#34CBDD #3477DD #4534DD

triadic

#3477DD #DD3477 #77DD34

tetradic

#3477DD #DD34CB #DD9A34 #34DD45

square

#3477DD #DD34CB #DD9A34 #34DD45

split-complementary

#3477DD #DD4534 #CBDD34

monochromatic

#164081 #1E5AB5 #3477DD #689AE6 #9DBDEF

Accessibility & contrast

On white

4.35

#3477DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3477DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3477DD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3477DD	#FFFFFF	#000000	##000000
##3477DD	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4081E1

Deuteranopia (green-blind)

#1372DB

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3477dd;
/* rgb */ color: rgb(52, 119, 221);
/* oklch */ color: oklch(58.1% 0.170 258.8);

Tailwind

colors: {
  custom: {
    50: '#839de8',
    500: '#3477dd',
    950: '#000000',
  },
}

SCSS

$custom: #3477dd;
$custom-light: #839de8;
$custom-dark: #000000;

JSON

{
  "hex": "#3477dd",
  "rgb": {
    "r": 52,
    "g": 119,
    "b": 221
  },
  "hsl": {
    "h": 216.213,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58074,
    "c": 0.17011,
    "h": 258.8
  },
  "luminance": 0.19144
}

Semantic roles & 50–950 ramp

primary

#3477DD

secondary

#DBBE92

accent

#A73AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3477DD

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

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