#2F55A5#2F55A5

#2F55A5 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.6% C 0.136 H 263.1°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F55A5
RGB	rgb(47, 85, 165)
HSL	hsl(221, 56%, 42%)
HSV	hsv(221, 72%, 65%)
CMYK	cmyk(71.5%, 48.5%, 0%, 35.3%)
CIE-LAB	lab(37.51, 14.55, -47.17)
CIE-LCH	lch(37.51, 49.36, 287.14°)
OKLab	oklab(46.62% -0.0165 -0.1353)
OKLCH	oklch(46.62% 0.136 263.1)
XYZ	xyz(11.2099, 9.8168, 36.8941)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55A5 #A57F2F

analogous

#2F90A5 #2F55A5 #442FA5

triadic

#2F55A5 #A52F55 #55A52F

tetradic

#2F55A5 #A52F90 #A57F2F #2FA544

square

#2F55A5 #A52F90 #A57F2F #2FA544

split-complementary

#2F55A5 #A5442F #90A52F

monochromatic

#142446 #213C75 #2F55A5 #4771CB #7696D8

Accessibility & contrast

On white

7.09

#2F55A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2F55A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F55A5

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55A5	#FFFFFF	#000000	##FFFFFF
##2F55A5	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5EA8

Deuteranopia (green-blind)

#0953A3

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f55a5;
/* rgb */ color: rgb(47, 85, 165);
/* oklch */ color: oklch(46.6% 0.136 263.1);

Tailwind

colors: {
  custom: {
    50: '#7684c0',
    500: '#2f55a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f55a5;
$custom-light: #7684c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55a5",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 165
  },
  "hsl": {
    "h": 220.678,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46624,
    "c": 0.13628,
    "h": 263.1
  },
  "luminance": 0.09818
}

Semantic roles & 50–950 ramp

primary

#2F55A5

secondary

#C0A670

accent

#AF49DF

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F55A5

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

Preview Lab → · Contrast checker → · Palette generator →