#2F55AA#2F55AA

#2F55AA is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.143 H 263.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F55AA
RGB	rgb(47, 85, 170)
HSL	hsl(221, 57%, 43%)
HSV	hsv(221, 72%, 67%)
CMYK	cmyk(72.4%, 50%, 0%, 33.3%)
CIE-LAB	lab(37.85, 16.44, -49.61)
CIE-LCH	lch(37.85, 52.26, 288.34°)
OKLab	oklab(46.99% -0.0158 -0.1424)
OKLCH	oklch(46.99% 0.143 263.7)
XYZ	xyz(11.6739, 10.0024, 39.3378)
Luminance	0.1000 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55AA #AA842F

analogous

#2F93AA #2F55AA #462FAA

triadic

#2F55AA #AA2F55 #55AA2F

tetradic

#2F55AA #AA2F93 #AA842F #2FAA46

square

#2F55AA #AA2F93 #AA842F #2FAA46

split-complementary

#2F55AA #AA462F #93AA2F

monochromatic

#14254A #223D7A #2F55AA #4972CD #7997DA

Accessibility & contrast

On white

7.00

#2F55AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2F55AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F55AA

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55AA	#FFFFFF	#000000	##FFFFFF
##2F55AA	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)

#245FAD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f55aa;
/* rgb */ color: rgb(47, 85, 170);
/* oklch */ color: oklch(47.0% 0.143 263.7);

Tailwind

colors: {
  custom: {
    50: '#7884c4',
    500: '#2f55aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f55aa;
$custom-light: #7884c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55aa",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 170
  },
  "hsl": {
    "h": 221.463,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.46987,
    "c": 0.14332,
    "h": 263.7
  },
  "luminance": 0.10004
}

Semantic roles & 50–950 ramp

primary

#2F55AA

secondary

#C2AA72

accent

#B148E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F55AA

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

Preview Lab → · Contrast checker → · Palette generator →