#3055A6#3055A6

#3055A6 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.137 H 263.5°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#3055A6
RGB	rgb(48, 85, 166)
HSL	hsl(221, 55%, 42%)
HSV	hsv(221, 71%, 65%)
CMYK	cmyk(71.1%, 48.8%, 0%, 34.9%)
CIE-LAB	lab(37.62, 15.08, -47.59)
CIE-LCH	lch(37.62, 49.92, 287.58°)
OKLab	oklab(46.74% -0.0155 -0.1365)
OKLCH	oklch(46.74% 0.137 263.5)
XYZ	xyz(11.3479, 9.8774, 37.3775)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3055A6 #A68130

analogous

#3090A6 #3055A6 #4630A6

triadic

#3055A6 #A63055 #55A630

tetradic

#3055A6 #A63090 #A68130 #30A646

square

#3055A6 #A63090 #A68130 #30A646

split-complementary

#3055A6 #A64630 #90A630

monochromatic

#152447 #223D77 #3055A6 #4971CA #7896D8

Accessibility & contrast

On white

7.06

#3055A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3055A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3055A6

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3055A6	#FFFFFF	#000000	##FFFFFF
##3055A6	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA9

Deuteranopia (green-blind)

#0753A4

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3055a6;
/* rgb */ color: rgb(48, 85, 166);
/* oklch */ color: oklch(46.7% 0.137 263.5);

Tailwind

colors: {
  custom: {
    50: '#7784c1',
    500: '#3055a6',
    950: '#000000',
  },
}

SCSS

$custom: #3055a6;
$custom-light: #7784c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3055a6",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 166
  },
  "hsl": {
    "h": 221.186,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46741,
    "c": 0.13737,
    "h": 263.5
  },
  "luminance": 0.09879
}

Semantic roles & 50–950 ramp

primary

#3055A6

secondary

#C0A871

accent

#B049DE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3055A6

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

Preview Lab → · Contrast checker → · Palette generator →