#2F228A#2F228A

#2F228A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.162 H 279.3°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F228A
RGB	rgb(47, 34, 138)
HSL	hsl(248, 60%, 34%)
HSV	hsv(248, 75%, 54%)
CMYK	cmyk(65.9%, 75.4%, 0%, 45.9%)
CIE-LAB	lab(22.24, 37.84, -55.54)
CIE-LCH	lch(22.24, 67.21, 304.27°)
OKLab	oklab(34.61% 0.0263 -0.1603)
OKLCH	oklch(34.61% 0.162 279.3)
XYZ	xyz(6.3303, 3.5829, 24.3978)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F228A #7D8A22

analogous

#22498A #2F228A #63228A

triadic

#2F228A #8A2F22 #228A2F

tetradic

#2F228A #8A2249 #7D8A22 #228A63

square

#2F228A #8A2249 #7D8A22 #228A63

split-complementary

#2F228A #8A6322 #498A22

monochromatic

#0E0A28 #1E1659 #2F228A #402EBB #6252D4

Accessibility & contrast

On white

12.23

#2F228A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2F228A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F228A

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F228A	#FFFFFF	#000000	##FFFFFF
##2F228A	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2f228a;
/* rgb */ color: rgb(47, 34, 138);
/* oklch */ color: oklch(34.6% 0.162 279.3);

Tailwind

colors: {
  custom: {
    50: '#745fad',
    500: '#2f228a',
    950: '#000000',
  },
}

SCSS

$custom: #2f228a;
$custom-light: #745fad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f228a",
  "rgb": {
    "r": 47,
    "g": 34,
    "b": 138
  },
  "hsl": {
    "h": 247.5,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34613,
    "c": 0.16246,
    "h": 279.3
  },
  "luminance": 0.03583
}

Semantic roles & 50–950 ramp

primary

#2F228A

secondary

#ABB850

accent

#E444D0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2F228A

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

Preview Lab → · Contrast checker → · Palette generator →