#2F3786#2F3786

#2F3786 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.131 H 274.0°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#2F3786
RGB	rgb(47, 55, 134)
HSL	hsl(234, 48%, 35%)
HSV	hsv(234, 65%, 53%)
CMYK	cmyk(64.9%, 59%, 0%, 47.5%)
CIE-LAB	lab(26.90, 23.07, -45.43)
CIE-LCH	lch(26.90, 50.96, 296.92°)
OKLab	oklab(37.89% 0.0091 -0.1306)
OKLCH	oklch(37.89% 0.131 274)
XYZ	xyz(6.8401, 5.0574, 23.1653)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3786 #867E2F

analogous

#2F6286 #2F3786 #522F86

triadic

#2F3786 #862F37 #37862F

tetradic

#2F3786 #862F62 #867E2F #2F8652

square

#2F3786 #862F62 #867E2F #2F8652

split-complementary

#2F3786 #86522F #62862F

monochromatic

#0F122B #1F2459 #2F3786 #3F4AB3 #666FC9

Accessibility & contrast

On white

10.44

#2F3786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2F3786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3786

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3786	#FFFFFF	#000000	##FFFFFF
##2F3786	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3786;
/* rgb */ color: rgb(47, 55, 134);
/* oklch */ color: oklch(37.9% 0.131 274.0);

Tailwind

colors: {
  custom: {
    50: '#726daa',
    500: '#2f3786',
    950: '#000000',
  },
}

SCSS

$custom: #2f3786;
$custom-light: #726daa;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3786",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 134
  },
  "hsl": {
    "h": 234.483,
    "s": 48.066,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37889,
    "c": 0.13094,
    "h": 274
  },
  "luminance": 0.05058
}

Semantic roles & 50–950 ramp

primary

#2F3786

secondary

#B0A960

accent

#CB50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3786

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

Preview Lab → · Contrast checker → · Palette generator →