#2D55AB#2D55AB

#2D55AB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.145 H 263.2°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#2D55AB
RGB	rgb(45, 85, 171)
HSL	hsl(221, 58%, 42%)
HSV	hsv(221, 74%, 67%)
CMYK	cmyk(73.7%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(37.83, 16.54, -50.23)
CIE-LCH	lch(37.83, 52.88, 288.23°)
OKLab	oklab(46.98% -0.0173 -0.1443)
OKLCH	oklch(46.98% 0.145 263.2)
XYZ	xyz(11.6788, 9.9939, 39.8337)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D55AB #AB832D

analogous

#2D94AB #2D55AB #442DAB

triadic

#2D55AB #AB2D55 #55AB2D

tetradic

#2D55AB #AB2D94 #AB832D #2DAB44

square

#2D55AB #AB2D94 #AB832D #2DAB44

split-complementary

#2D55AB #AB442D #94AB2D

monochromatic

#14254A #203D7B #2D55AB #4772CE #7797DB

Accessibility & contrast

On white

7.00

#2D55AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2D55AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D55AB

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D55AB	#FFFFFF	#000000	##FFFFFF
##2D55AB	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225FAE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2d55ab;
/* rgb */ color: rgb(45, 85, 171);
/* oklch */ color: oklch(47.0% 0.145 263.2);

Tailwind

colors: {
  custom: {
    50: '#7784c5',
    500: '#2d55ab',
    950: '#000000',
  },
}

SCSS

$custom: #2d55ab;
$custom-light: #7784c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d55ab",
  "rgb": {
    "r": 45,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 220.952,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.46975,
    "c": 0.14535,
    "h": 263.2
  },
  "luminance": 0.09995
}

Semantic roles & 50–950 ramp

primary

#2D55AB

secondary

#C3A971

accent

#B046E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2D55AB

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

Preview Lab → · Contrast checker → · Palette generator →