#2F288D#2F288D

#2F288D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.160 H 277.7°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F288D
RGB	rgb(47, 40, 141)
HSL	hsl(244, 56%, 35%)
HSV	hsv(244, 72%, 55%)
CMYK	cmyk(66.7%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(23.82, 35.30, -54.82)
CIE-LCH	lch(23.82, 65.20, 302.78°)
OKLab	oklab(35.83% 0.0215 -0.1582)
OKLCH	oklch(35.83% 0.16 277.7)
XYZ	xyz(6.7372, 4.0444, 25.6198)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F288D #868D28

analogous

#28548D #2F288D #61288D

triadic

#2F288D #8D2F28 #288D2F

tetradic

#2F288D #8D2854 #868D28 #288D61

square

#2F288D #8D2854 #868D28 #288D61

split-complementary

#2F288D #8D6128 #548D28

monochromatic

#0F0D2E #1F1A5D #2F288D #3F36BD #665ED1

Accessibility & contrast

On white

11.61

#2F288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2F288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F288D

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F288D	#FFFFFF	#000000	##FFFFFF
##2F288D	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f288d;
/* rgb */ color: rgb(47, 40, 141);
/* oklch */ color: oklch(35.8% 0.160 277.7);

Tailwind

colors: {
  custom: {
    50: '#7463af',
    500: '#2f288d',
    950: '#000000',
  },
}

SCSS

$custom: #2f288d;
$custom-light: #7463af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f288d",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 244.158,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35827,
    "c": 0.15968,
    "h": 277.7
  },
  "luminance": 0.04045
}

Semantic roles & 50–950 ramp

primary

#2F288D

secondary

#B0B75A

accent

#DF49D5

background

#F7F5FA

surface

#EEEAF5

border

#C9C6CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #2F288D

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

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