#3355AE#3355AE

#3355AE is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.5% C 0.148 H 265.4°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3355AE
RGB	rgb(51, 85, 174)
HSL	hsl(223, 55%, 44%)
HSV	hsv(223, 71%, 68%)
CMYK	cmyk(70.7%, 51.1%, 0%, 31.8%)
CIE-LAB	lab(38.30, 18.53, -51.24)
CIE-LCH	lch(38.30, 54.49, 289.88°)
OKLab	oklab(47.47% -0.0119 -0.1472)
OKLCH	oklch(47.47% 0.148 265.4)
XYZ	xyz(12.2510, 10.2555, 41.3701)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355AE #AE8C33

analogous

#3393AE #3355AE #4F33AE

triadic

#3355AE #AE3355 #55AE33

tetradic

#3355AE #AE3393 #AE8C33 #33AE4F

square

#3355AE #AE3393 #AE8C33 #33AE4F

split-complementary

#3355AE #AE4F33 #93AE33

monochromatic

#17274F #253E7F #3355AE #5274CC #819ADA

Accessibility & contrast

On white

6.88

#3355AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3355AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AE

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355AE	#FFFFFF	#000000	##FFFFFF
##3355AE	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F60B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3355ae;
/* rgb */ color: rgb(51, 85, 174);
/* oklch */ color: oklch(47.5% 0.148 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a84c7',
    500: '#3355ae',
    950: '#000000',
  },
}

SCSS

$custom: #3355ae;
$custom-light: #7a84c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3355ae",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 174
  },
  "hsl": {
    "h": 223.415,
    "s": 54.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47467,
    "c": 0.14767,
    "h": 265.4
  },
  "luminance": 0.10257
}

Semantic roles & 50–950 ramp

primary

#3355AE

secondary

#C3AF79

accent

#B54ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3355AE

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

Preview Lab → · Contrast checker → · Palette generator →