#2F3687#2F3687

#2F3687 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.134 H 274.3°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F3687
RGB	rgb(47, 54, 135)
HSL	hsl(235, 48%, 36%)
HSV	hsv(235, 65%, 53%)
CMYK	cmyk(65.2%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.71, 24.11, -46.36)
CIE-LCH	lch(26.71, 52.26, 297.48°)
OKLab	oklab(37.77% 0.0101 -0.1334)
OKLCH	oklch(37.77% 0.134 274.3)
XYZ	xyz(6.8632, 4.9914, 23.5187)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3687 #87802F

analogous

#2F6287 #2F3687 #542F87

triadic

#2F3687 #872F36 #36872F

tetradic

#2F3687 #872F62 #87802F #2F8754

square

#2F3687 #872F62 #87802F #2F8754

split-complementary

#2F3687 #87542F #62872F

monochromatic

#0F122C #1F245A #2F3687 #3F48B4 #666ECA

Accessibility & contrast

On white

10.51

#2F3687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F3687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3687

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3687	#FFFFFF	#000000	##FFFFFF
##2F3687	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3687;
/* rgb */ color: rgb(47, 54, 135);
/* oklch */ color: oklch(37.8% 0.134 274.3);

Tailwind

colors: {
  custom: {
    50: '#726dab',
    500: '#2f3687',
    950: '#000000',
  },
}

SCSS

$custom: #2f3687;
$custom-light: #726dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3687",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 235.227,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37774,
    "c": 0.13374,
    "h": 274.3
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#2F3687

secondary

#B1AB61

accent

#CD50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3687

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

Preview Lab → · Contrast checker → · Palette generator →