#2F55A4#2F55A4

#2F55A4 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.6% C 0.135 H 262.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F55A4
RGB	rgb(47, 85, 164)
HSL	hsl(221, 55%, 41%)
HSV	hsv(221, 71%, 64%)
CMYK	cmyk(71.3%, 48.2%, 0%, 35.7%)
CIE-LAB	lab(37.45, 14.17, -46.68)
CIE-LCH	lch(37.45, 48.78, 286.89°)
OKLab	oklab(46.55% -0.0166 -0.1338)
OKLCH	oklch(46.55% 0.135 262.9)
XYZ	xyz(11.1193, 9.7805, 36.4166)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55A4 #A47E2F

analogous

#2F90A4 #2F55A4 #442FA4

triadic

#2F55A4 #A42F55 #55A42F

tetradic

#2F55A4 #A42F90 #A47E2F #2FA444

square

#2F55A4 #A42F90 #A47E2F #2FA444

split-complementary

#2F55A4 #A4442F #90A42F

monochromatic

#142445 #213C74 #2F55A4 #4671CA #7696D8

Accessibility & contrast

On white

7.10

#2F55A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2F55A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F55A4

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55A4	#FFFFFF	#000000	##FFFFFF
##2F55A4	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5EA7

Deuteranopia (green-blind)

#0D53A2

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f55a4;
/* rgb */ color: rgb(47, 85, 164);
/* oklch */ color: oklch(46.6% 0.135 262.9);

Tailwind

colors: {
  custom: {
    50: '#7684bf',
    500: '#2f55a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f55a4;
$custom-light: #7684bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55a4",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 164
  },
  "hsl": {
    "h": 220.513,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46552,
    "c": 0.13487,
    "h": 262.9
  },
  "luminance": 0.09782
}

Semantic roles & 50–950 ramp

primary

#2F55A4

secondary

#C0A56F

accent

#AE49DF

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F55A4

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

Preview Lab → · Contrast checker → · Palette generator →