#2F228D#2F228D

#2F228D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.166 H 278.9°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F228D
RGB	rgb(47, 34, 141)
HSL	hsl(247, 61%, 34%)
HSV	hsv(247, 76%, 55%)
CMYK	cmyk(66.7%, 75.9%, 0%, 44.7%)
CIE-LAB	lab(22.55, 38.82, -56.90)
CIE-LCH	lch(22.55, 68.89, 304.31°)
OKLab	oklab(34.93% 0.0256 -0.1643)
OKLCH	oklch(34.93% 0.166 278.9)
XYZ	xyz(6.5505, 3.6709, 25.5575)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F228D #808D22

analogous

#224B8D #2F228D #65228D

triadic

#2F228D #8D2F22 #228D2F

tetradic

#2F228D #8D224B #808D22 #228D65

square

#2F228D #8D224B #808D22 #228D65

split-complementary

#2F228D #8D6522 #4B8D22

monochromatic

#0E0A2A #1F165C #2F228D #3F2EBE #6354D6

Accessibility & contrast

On white

12.11

#2F228D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2F228D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F228D

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F228D	#FFFFFF	#000000	##FFFFFF
##2F228D	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2f228d;
/* rgb */ color: rgb(47, 34, 141);
/* oklch */ color: oklch(34.9% 0.166 278.9);

Tailwind

colors: {
  custom: {
    50: '#755faf',
    500: '#2f228d',
    950: '#000000',
  },
}

SCSS

$custom: #2f228d;
$custom-light: #755faf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f228d",
  "rgb": {
    "r": 47,
    "g": 34,
    "b": 141
  },
  "hsl": {
    "h": 247.29,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34926,
    "c": 0.16628,
    "h": 278.9
  },
  "luminance": 0.03671
}

Semantic roles & 50–950 ramp

primary

#2F228D

secondary

#ADB951

accent

#E444D1

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #2F228D

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

Preview Lab → · Contrast checker → · Palette generator →