#2F348F#2F348F

#2F348F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.148 H 274.5°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#2F348F
RGB	rgb(47, 52, 143)
HSL	hsl(237, 51%, 37%)
HSV	hsv(237, 67%, 56%)
CMYK	cmyk(67.1%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(26.86, 28.36, -51.09)
CIE-LCH	lch(26.86, 58.43, 299.04°)
OKLab	oklab(38.09% 0.0117 -0.1472)
OKLCH	oklch(38.09% 0.148 274.5)
XYZ	xyz(7.3566, 5.0428, 26.5670)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F348F #8F8A2F

analogous

#2F648F #2F348F #5A2F8F

triadic

#2F348F #8F2F34 #348F2F

tetradic

#2F348F #8F2F64 #8F8A2F #2F8F5A

square

#2F348F #8F2F64 #8F8A2F #2F8F5A

split-complementary

#2F348F #8F5A2F #648F2F

monochromatic

#111333 #202361 #2F348F #3E45BD #6A6FCE

Accessibility & contrast

On white

10.46

#2F348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2F348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F348F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F348F	#FFFFFF	#000000	##FFFFFF
##2F348F	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f348f;
/* rgb */ color: rgb(47, 52, 143);
/* oklch */ color: oklch(38.1% 0.148 274.5);

Tailwind

colors: {
  custom: {
    50: '#746bb1',
    500: '#2f348f',
    950: '#000000',
  },
}

SCSS

$custom: #2f348f;
$custom-light: #746bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f348f",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 236.875,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3809,
    "c": 0.14771,
    "h": 274.5
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#2F348F

secondary

#B5B165

accent

#D34EDA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F348F

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

Preview Lab → · Contrast checker → · Palette generator →