#2F288A#2F288A

#2F288A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.156 H 278.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#2F288A
RGB	rgb(47, 40, 138)
HSL	hsl(244, 55%, 35%)
HSV	hsv(244, 71%, 54%)
CMYK	cmyk(65.9%, 71%, 0%, 45.9%)
CIE-LAB	lab(23.53, 34.27, -53.43)
CIE-LCH	lch(23.53, 63.48, 302.68°)
OKLab	oklab(35.53% 0.0219 -0.1542)
OKLCH	oklch(35.53% 0.156 278.1)
XYZ	xyz(6.5170, 3.9564, 24.4600)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F288A #838A28

analogous

#28528A #2F288A #60288A

triadic

#2F288A #8A2F28 #288A2F

tetradic

#2F288A #8A2852 #838A28 #288A60

square

#2F288A #8A2852 #838A28 #288A60

split-complementary

#2F288A #8A6028 #528A28

monochromatic

#0F0C2B #1F1A5B #2F288A #3F36B9 #655DD0

Accessibility & contrast

On white

11.72

#2F288A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2F288A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F288A

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F288A	#FFFFFF	#000000	##FFFFFF
##2F288A	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f288a;
/* rgb */ color: rgb(47, 40, 138);
/* oklch */ color: oklch(35.5% 0.156 278.1);

Tailwind

colors: {
  custom: {
    50: '#7463ad',
    500: '#2f288a',
    950: '#000000',
  },
}

SCSS

$custom: #2f288a;
$custom-light: #7463ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f288a",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 138
  },
  "hsl": {
    "h": 244.286,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3553,
    "c": 0.15572,
    "h": 278.1
  },
  "luminance": 0.03957
}

Semantic roles & 50–950 ramp

primary

#2F288A

secondary

#AFB559

accent

#DE49D4

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2F288A

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

Preview Lab → · Contrast checker → · Palette generator →