#2F348E#2F348E

#2F348E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.146 H 274.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F348E
RGB	rgb(47, 52, 142)
HSL	hsl(237, 50%, 37%)
HSV	hsv(237, 67%, 56%)
CMYK	cmyk(66.9%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(26.77, 28.00, -50.61)
CIE-LCH	lch(26.77, 57.83, 298.95°)
OKLab	oklab(38% 0.0117 -0.1458)
OKLCH	oklch(38% 0.146 274.6)
XYZ	xyz(7.2812, 5.0127, 26.1698)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F348E #8E892F

analogous

#2F648E #2F348E #5A2F8E

triadic

#2F348E #8E2F34 #348E2F

tetradic

#2F348E #8E2F64 #8E892F #2F8E5A

square

#2F348E #8E2F64 #8E892F #2F8E5A

split-complementary

#2F348E #8E5A2F #648E2F

monochromatic

#111232 #202360 #2F348E #3E45BC #6A6FCE

Accessibility & contrast

On white

10.49

#2F348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F348E

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F348E	#FFFFFF	#000000	##FFFFFF
##2F348E	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f348e;
/* rgb */ color: rgb(47, 52, 142);
/* oklch */ color: oklch(38.0% 0.146 274.6);

Tailwind

colors: {
  custom: {
    50: '#746bb0',
    500: '#2f348e',
    950: '#000000',
  },
}

SCSS

$custom: #2f348e;
$custom-light: #746bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f348e",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 236.842,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38001,
    "c": 0.14632,
    "h": 274.6
  },
  "luminance": 0.05013
}

Semantic roles & 50–950 ramp

primary

#2F348E

secondary

#B5B064

accent

#D24EDA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F348E

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

Preview Lab → · Contrast checker → · Palette generator →