#2F398C#2F398C

#2F398C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.137 H 273.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F398C
RGB	rgb(47, 57, 140)
HSL	hsl(234, 50%, 37%)
HSV	hsv(234, 66%, 55%)
CMYK	cmyk(66.4%, 59.3%, 0%, 45.1%)
CIE-LAB	lab(27.91, 23.93, -47.52)
CIE-LCH	lch(27.91, 53.20, 296.73°)
OKLab	oklab(38.79% 0.0073 -0.1367)
OKLCH	oklch(38.79% 0.137 273)
XYZ	xyz(7.3675, 5.4234, 25.4644)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F398C #8C822F

analogous

#2F688C #2F398C #542F8C

triadic

#2F398C #8C2F39 #398C2F

tetradic

#2F398C #8C2F68 #8C822F #2F8C54

square

#2F398C #8C2F68 #8C822F #2F8C54

split-complementary

#2F398C #8C542F #688C2F

monochromatic

#101430 #20265E #2F398C #3E4CBA #6974CD

Accessibility & contrast

On white

10.07

#2F398C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F398C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F398C

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F398C	#FFFFFF	#000000	##FFFFFF
##2F398C	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f398c;
/* rgb */ color: rgb(47, 57, 140);
/* oklch */ color: oklch(38.8% 0.137 273.0);

Tailwind

colors: {
  custom: {
    50: '#736fae',
    500: '#2f398c',
    950: '#000000',
  },
}

SCSS

$custom: #2f398c;
$custom-light: #736fae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f398c",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 140
  },
  "hsl": {
    "h": 233.548,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38791,
    "c": 0.13691,
    "h": 273
  },
  "luminance": 0.05424
}

Semantic roles & 50–950 ramp

primary

#2F398C

secondary

#B4AB63

accent

#CA4FD9

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F398C

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

Preview Lab → · Contrast checker → · Palette generator →