#2F228B#2F228B

#2F228B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.164 H 279.2°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F228B
RGB	rgb(47, 34, 139)
HSL	hsl(247, 61%, 34%)
HSV	hsv(247, 76%, 55%)
CMYK	cmyk(66.2%, 75.5%, 0%, 45.5%)
CIE-LAB	lab(22.34, 38.17, -56.00)
CIE-LCH	lch(22.34, 67.77, 304.28°)
OKLab	oklab(34.72% 0.0261 -0.1616)
OKLCH	oklch(34.72% 0.164 279.2)
XYZ	xyz(6.4030, 3.6120, 24.7808)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F228B #7E8B22

analogous

#224A8B #2F228B #64228B

triadic

#2F228B #8B2F22 #228B2F

tetradic

#2F228B #8B224A #7E8B22 #228B64

square

#2F228B #8B224A #7E8B22 #228B64

split-complementary

#2F228B #8B6422 #4A8B22

monochromatic

#0E0A29 #1E165A #2F228B #402EBC #6353D5

Accessibility & contrast

On white

12.19

#2F228B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#2F228B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F228B

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F228B	#FFFFFF	#000000	##FFFFFF
##2F228B	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2f228b;
/* rgb */ color: rgb(47, 34, 139);
/* oklch */ color: oklch(34.7% 0.164 279.2);

Tailwind

colors: {
  custom: {
    50: '#755fae',
    500: '#2f228b',
    950: '#000000',
  },
}

SCSS

$custom: #2f228b;
$custom-light: #755fae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f228b",
  "rgb": {
    "r": 47,
    "g": 34,
    "b": 139
  },
  "hsl": {
    "h": 247.429,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34717,
    "c": 0.16374,
    "h": 279.2
  },
  "luminance": 0.03612
}

Semantic roles & 50–950 ramp

primary

#2F228B

secondary

#ACB850

accent

#E444D0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2F228B

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

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