#2B347F#2B347F

#2B347F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.126 H 273.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B347F
RGB	rgb(43, 52, 127)
HSL	hsl(234, 49%, 33%)
HSV	hsv(234, 66%, 50%)
CMYK	cmyk(66.1%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(25.26, 21.82, -43.72)
CIE-LCH	lch(25.26, 48.86, 296.52°)
OKLab	oklab(36.43% 0.0072 -0.1257)
OKLCH	oklch(36.43% 0.126 273.3)
XYZ	xyz(6.0537, 4.5014, 20.6244)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B347F #7F762B

analogous

#2B5E7F #2B347F #4C2B7F

triadic

#2B347F #7F2B34 #347F2B

tetradic

#2B347F #7F2B5E #7F762B #2B7F4C

square

#2B347F #7F2B5E #7F762B #2B7F4C

split-complementary

#2B347F #7F4C2B #5E7F2B

monochromatic

#0C0F24 #1C2151 #2B347F #3A47AD #5C68C8

Accessibility & contrast

On white

11.05

#2B347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B347F

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B347F	#FFFFFF	#000000	##FFFFFF
##2B347F	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b347f;
/* rgb */ color: rgb(43, 52, 127);
/* oklch */ color: oklch(36.4% 0.126 273.3);

Tailwind

colors: {
  custom: {
    50: '#6e6ba5',
    500: '#2b347f',
    950: '#000000',
  },
}

SCSS

$custom: #2b347f;
$custom-light: #6e6ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b347f",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 233.571,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36427,
    "c": 0.1259,
    "h": 273.3
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#2B347F

secondary

#AEA558

accent

#CA4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B347F

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

Preview Lab → · Contrast checker → · Palette generator →