#2F3689#2F3689

#2F3689 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.137 H 274.2°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#2F3689
RGB	rgb(47, 54, 137)
HSL	hsl(235, 49%, 36%)
HSV	hsv(235, 66%, 54%)
CMYK	cmyk(65.7%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(26.87, 24.84, -47.34)
CIE-LCH	lch(26.87, 53.47, 297.69°)
OKLab	oklab(37.95% 0.01 -0.1362)
OKLCH	oklch(37.95% 0.137 274.2)
XYZ	xyz(7.0053, 5.0482, 24.2673)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3689 #89822F

analogous

#2F6389 #2F3689 #552F89

triadic

#2F3689 #892F36 #36892F

tetradic

#2F3689 #892F63 #89822F #2F8955

square

#2F3689 #892F63 #89822F #2F8955

split-complementary

#2F3689 #89552F #63892F

monochromatic

#10122E #1F245B #2F3689 #3F48B7 #676FCB

Accessibility & contrast

On white

10.45

#2F3689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2F3689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3689

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3689	#FFFFFF	#000000	##FFFFFF
##2F3689	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3689;
/* rgb */ color: rgb(47, 54, 137);
/* oklch */ color: oklch(37.9% 0.137 274.2);

Tailwind

colors: {
  custom: {
    50: '#726dac',
    500: '#2f3689',
    950: '#000000',
  },
}

SCSS

$custom: #2f3689;
$custom-light: #726dac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3689",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 235.333,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37945,
    "c": 0.13661,
    "h": 274.2
  },
  "luminance": 0.05049
}

Semantic roles & 50–950 ramp

primary

#2F3689

secondary

#B2AC62

accent

#CE4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3689

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

Preview Lab → · Contrast checker → · Palette generator →