#2F3489#2F3489

#2F3489 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.139 H 274.9°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F3489
RGB	rgb(47, 52, 137)
HSL	hsl(237, 49%, 36%)
HSV	hsv(237, 66%, 54%)
CMYK	cmyk(65.7%, 62%, 0%, 46.3%)
CIE-LAB	lab(26.35, 26.18, -48.19)
CIE-LCH	lch(26.35, 54.85, 298.52°)
OKLab	oklab(37.56% 0.0119 -0.1388)
OKLCH	oklch(37.56% 0.139 274.9)
XYZ	xyz(6.9142, 4.8659, 24.2369)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3489 #89842F

analogous

#2F6189 #2F3489 #572F89

triadic

#2F3489 #892F34 #34892F

tetradic

#2F3489 #892F61 #89842F #2F8957

square

#2F3489 #892F61 #89842F #2F8957

split-complementary

#2F3489 #89572F #61892F

monochromatic

#10112E #1F235B #2F3489 #3F45B7 #676DCB

Accessibility & contrast

On white

10.64

#2F3489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2F3489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3489

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3489	#FFFFFF	#000000	##FFFFFF
##2F3489	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3489;
/* rgb */ color: rgb(47, 52, 137);
/* oklch */ color: oklch(37.6% 0.139 274.9);

Tailwind

colors: {
  custom: {
    50: '#736bac',
    500: '#2f3489',
    950: '#000000',
  },
}

SCSS

$custom: #2f3489;
$custom-light: #736bac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3489",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 236.667,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37558,
    "c": 0.13927,
    "h": 274.9
  },
  "luminance": 0.04866
}

Semantic roles & 50–950 ramp

primary

#2F3489

secondary

#B2AE62

accent

#D14FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F3489

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

Preview Lab → · Contrast checker → · Palette generator →