#2F288F#2F288F

#2F288F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.0% C 0.162 H 277.5°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#2F288F
RGB	rgb(47, 40, 143)
HSL	hsl(244, 56%, 36%)
HSV	hsv(244, 72%, 56%)
CMYK	cmyk(67.1%, 72%, 0%, 43.9%)
CIE-LAB	lab(24.01, 35.98, -55.74)
CIE-LCH	lch(24.01, 66.34, 302.84°)
OKLab	oklab(36.03% 0.0211 -0.1609)
OKLCH	oklch(36.03% 0.162 277.5)
XYZ	xyz(6.8874, 4.1045, 26.4106)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F288F #888F28

analogous

#28548F #2F288F #62288F

triadic

#2F288F #8F2F28 #288F2F

tetradic

#2F288F #8F2854 #888F28 #288F62

square

#2F288F #8F2854 #888F28 #288F62

split-complementary

#2F288F #8F6228 #548F28

monochromatic

#100D2F #1F1B5F #2F288F #3F35BF #675FD2

Accessibility & contrast

On white

11.53

#2F288F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2F288F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F288F

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F288F	#FFFFFF	#000000	##FFFFFF
##2F288F	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f288f;
/* rgb */ color: rgb(47, 40, 143);
/* oklch */ color: oklch(36.0% 0.162 277.5);

Tailwind

colors: {
  custom: {
    50: '#7563b1',
    500: '#2f288f',
    950: '#000000',
  },
}

SCSS

$custom: #2f288f;
$custom-light: #7563b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f288f",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 143
  },
  "hsl": {
    "h": 244.078,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36027,
    "c": 0.1623,
    "h": 277.5
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary

#2F288F

secondary

#B1B85B

accent

#E048D5

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2F288F

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

Preview Lab → · Contrast checker → · Palette generator →