#3055A5#3055A5

#3055A5 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.7% C 0.136 H 263.4°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3055A5
RGB	rgb(48, 85, 165)
HSL	hsl(221, 55%, 42%)
HSV	hsv(221, 71%, 65%)
CMYK	cmyk(70.9%, 48.5%, 0%, 35.3%)
CIE-LAB	lab(37.56, 14.70, -47.10)
CIE-LCH	lch(37.56, 49.34, 287.33°)
OKLab	oklab(46.67% -0.0156 -0.135)
OKLCH	oklch(46.67% 0.136 263.4)
XYZ	xyz(11.2566, 9.8408, 36.8962)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3055A5 #A58030

analogous

#3090A5 #3055A5 #4630A5

triadic

#3055A5 #A53055 #55A530

tetradic

#3055A5 #A53090 #A58030 #30A546

square

#3055A5 #A53090 #A58030 #30A546

split-complementary

#3055A5 #A54630 #90A530

monochromatic

#142446 #223D76 #3055A5 #4871CA #7896D8

Accessibility & contrast

On white

7.07

#3055A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3055A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3055A5

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3055A5	#FFFFFF	#000000	##FFFFFF
##3055A5	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA8

Deuteranopia (green-blind)

#0B53A3

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3055a5;
/* rgb */ color: rgb(48, 85, 165);
/* oklch */ color: oklch(46.7% 0.136 263.4);

Tailwind

colors: {
  custom: {
    50: '#7784c0',
    500: '#3055a5',
    950: '#000000',
  },
}

SCSS

$custom: #3055a5;
$custom-light: #7784c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3055a5",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 165
  },
  "hsl": {
    "h": 221.026,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46669,
    "c": 0.13595,
    "h": 263.4
  },
  "luminance": 0.09842
}

Semantic roles & 50–950 ramp

primary

#3055A5

secondary

#C0A771

accent

#AF4ADE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3055A5

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

Preview Lab → · Contrast checker → · Palette generator →