#2F3587#2F3587

#2F3587 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.135 H 274.7°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F3587
RGB	rgb(47, 53, 135)
HSL	hsl(236, 48%, 36%)
HSV	hsv(236, 65%, 53%)
CMYK	cmyk(65.2%, 60.7%, 0%, 47.1%)
CIE-LAB	lab(26.45, 24.79, -46.79)
CIE-LCH	lch(26.45, 52.95, 297.91°)
OKLab	oklab(37.58% 0.011 -0.1346)
OKLCH	oklch(37.58% 0.135 274.7)
XYZ	xyz(6.8171, 4.8992, 23.5034)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3587 #87812F

analogous

#2F6187 #2F3587 #552F87

triadic

#2F3587 #872F35 #35872F

tetradic

#2F3587 #872F61 #87812F #2F8755

square

#2F3587 #872F61 #87812F #2F8755

split-complementary

#2F3587 #87552F #61872F

monochromatic

#0F112C #1F235A #2F3587 #3F47B4 #666DCA

Accessibility & contrast

On white

10.61

#2F3587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F3587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3587

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3587	#FFFFFF	#000000	##FFFFFF
##2F3587	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3587;
/* rgb */ color: rgb(47, 53, 135);
/* oklch */ color: oklch(37.6% 0.135 274.7);

Tailwind

colors: {
  custom: {
    50: '#726cab',
    500: '#2f3587',
    950: '#000000',
  },
}

SCSS

$custom: #2f3587;
$custom-light: #726cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3587",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 235.909,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37578,
    "c": 0.13508,
    "h": 274.7
  },
  "luminance": 0.049
}

Semantic roles & 50–950 ramp

primary

#2F3587

secondary

#B1AB61

accent

#CF50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3587

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

Preview Lab → · Contrast checker → · Palette generator →