#2F289A#2F289A

#2F289A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.176 H 276.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F289A
RGB	rgb(47, 40, 154)
HSL	hsl(244, 59%, 38%)
HSV	hsv(244, 74%, 60%)
CMYK	cmyk(69.5%, 74%, 0%, 39.6%)
CIE-LAB	lab(25.12, 39.69, -60.70)
CIE-LCH	lch(25.12, 72.52, 303.18°)
OKLab	oklab(37.15% 0.0191 -0.1754)
OKLCH	oklch(37.15% 0.176 276.2)
XYZ	xyz(7.7619, 4.4543, 31.0163)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F289A #939A28

analogous

#285A9A #2F289A #68289A

triadic

#2F289A #9A2F28 #289A2F

tetradic

#2F289A #9A285A #939A28 #289A68

square

#2F289A #9A285A #939A28 #289A68

split-complementary

#2F289A #9A6828 #5A9A28

monochromatic

#110F39 #201B69 #2F289A #3E35CA #6C65D7

Accessibility & contrast

On white

11.11

#2F289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2F289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F289A

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F289A	#FFFFFF	#000000	##FFFFFF
##2F289A	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003798

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f289a;
/* rgb */ color: rgb(47, 40, 154);
/* oklch */ color: oklch(37.1% 0.176 276.2);

Tailwind

colors: {
  custom: {
    50: '#7764b9',
    500: '#2f289a',
    950: '#000000',
  },
}

SCSS

$custom: #2f289a;
$custom-light: #7764b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f289a",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 243.684,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3715,
    "c": 0.17644,
    "h": 276.2
  },
  "luminance": 0.04455
}

Semantic roles & 50–950 ramp

primary

#2F289A

secondary

#B7BD61

accent

#E246D8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F289A

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

Preview Lab → · Contrast checker → · Palette generator →