#2F359C#2F359C

#2F359C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.164 H 273.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F359C
RGB	rgb(47, 53, 156)
HSL	hsl(237, 54%, 40%)
HSV	hsv(237, 70%, 61%)
CMYK	cmyk(69.9%, 66%, 0%, 38.8%)
CIE-LAB	lab(28.25, 32.38, -56.78)
CIE-LCH	lch(28.25, 65.37, 299.70°)
OKLab	oklab(39.46% 0.01 -0.164)
OKLCH	oklch(39.46% 0.164 273.5)
XYZ	xyz(8.4441, 5.5500, 32.0723)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F359C #9C962F

analogous

#2F6C9C #2F359C #5F2F9C

triadic

#2F359C #9C2F35 #359C2F

tetradic

#2F359C #9C2F6C #9C962F #2F9C5F

square

#2F359C #9C2F6C #9C962F #2F9C5F

split-complementary

#2F359C #9C5F2F #6C9C2F

monochromatic

#13153E #21256D #2F359C #4249C6 #7177D4

Accessibility & contrast

On white

9.95

#2F359C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2F359C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F359C

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F359C	#FFFFFF	#000000	##FFFFFF
##2F359C	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f359c;
/* rgb */ color: rgb(47, 53, 156);
/* oklch */ color: oklch(39.5% 0.164 273.5);

Tailwind

colors: {
  custom: {
    50: '#776cba',
    500: '#2f359c',
    950: '#000000',
  },
}

SCSS

$custom: #2f359c;
$custom-light: #776cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f359c",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 156
  },
  "hsl": {
    "h": 236.697,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39463,
    "c": 0.16426,
    "h": 273.5
  },
  "luminance": 0.05551
}

Semantic roles & 50–950 ramp

primary

#2F359C

secondary

#BCB76B

accent

#D54BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F359C

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

Preview Lab → · Contrast checker → · Palette generator →