#2F348C#2F348C

#2F348C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.144 H 274.7°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F348C
RGB	rgb(47, 52, 140)
HSL	hsl(237, 50%, 37%)
HSV	hsv(237, 66%, 55%)
CMYK	cmyk(66.4%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(26.60, 27.27, -49.65)
CIE-LCH	lch(26.60, 56.64, 298.78°)
OKLab	oklab(37.82% 0.0118 -0.143)
OKLCH	oklch(37.82% 0.144 274.7)
XYZ	xyz(7.1323, 4.9532, 25.3860)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F348C #8C872F

analogous

#2F638C #2F348C #592F8C

triadic

#2F348C #8C2F34 #348C2F

tetradic

#2F348C #8C2F63 #8C872F #2F8C59

square

#2F348C #8C2F63 #8C872F #2F8C59

split-complementary

#2F348C #8C592F #638C2F

monochromatic

#101230 #20235E #2F348C #3E45BA #696ECD

Accessibility & contrast

On white

10.55

#2F348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F348C

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F348C	#FFFFFF	#000000	##FFFFFF
##2F348C	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f348c;
/* rgb */ color: rgb(47, 52, 140);
/* oklch */ color: oklch(37.8% 0.144 274.7);

Tailwind

colors: {
  custom: {
    50: '#736bae',
    500: '#2f348c',
    950: '#000000',
  },
}

SCSS

$custom: #2f348c;
$custom-light: #736bae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f348c",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 236.774,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37823,
    "c": 0.14352,
    "h": 274.7
  },
  "luminance": 0.04954
}

Semantic roles & 50–950 ramp

primary

#2F348C

secondary

#B4AF63

accent

#D24FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F348C

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

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