#2F55A7#2F55A7

#2F55A7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.139 H 263.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F55A7
RGB	rgb(47, 85, 167)
HSL	hsl(221, 56%, 42%)
HSV	hsv(221, 72%, 65%)
CMYK	cmyk(71.9%, 49.1%, 0%, 34.5%)
CIE-LAB	lab(37.64, 15.31, -48.15)
CIE-LCH	lch(37.64, 50.52, 287.64°)
OKLab	oklab(46.77% -0.0162 -0.1382)
OKLCH	oklch(46.77% 0.139 263.3)
XYZ	xyz(11.3934, 9.8902, 37.8603)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55A7 #A7812F

analogous

#2F91A7 #2F55A7 #452FA7

triadic

#2F55A7 #A72F55 #55A72F

tetradic

#2F55A7 #A72F91 #A7812F #2FA745

square

#2F55A7 #A72F91 #A7812F #2FA745

split-complementary

#2F55A7 #A7452F #91A72F

monochromatic

#142447 #223D77 #2F55A7 #4871CB #7896D9

Accessibility & contrast

On white

7.05

#2F55A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2F55A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F55A7

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55A7	#FFFFFF	#000000	##FFFFFF
##2F55A7	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285EAA

Deuteranopia (green-blind)

#0253A5

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f55a7;
/* rgb */ color: rgb(47, 85, 167);
/* oklch */ color: oklch(46.8% 0.139 263.3);

Tailwind

colors: {
  custom: {
    50: '#7784c2',
    500: '#2f55a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f55a7;
$custom-light: #7784c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55a7",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 167
  },
  "hsl": {
    "h": 221,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46768,
    "c": 0.1391,
    "h": 263.3
  },
  "luminance": 0.09891
}

Semantic roles & 50–950 ramp

primary

#2F55A7

secondary

#C1A871

accent

#B048DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F55A7

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

Preview Lab → · Contrast checker → · Palette generator →