#2B347B#2B347B

#2B347B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.120 H 273.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B347B
RGB	rgb(43, 52, 123)
HSL	hsl(233, 48%, 33%)
HSV	hsv(233, 65%, 48%)
CMYK	cmyk(65%, 57.7%, 0%, 51.8%)
CIE-LAB	lab(24.95, 20.32, -41.70)
CIE-LCH	lch(24.95, 46.39, 295.98°)
OKLab	oklab(36.09% 0.007 -0.1198)
OKLCH	oklch(36.09% 0.12 273.4)
XYZ	xyz(5.7982, 4.3992, 19.2786)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B347B #7B722B

analogous

#2B5C7B #2B347B #4A2B7B

triadic

#2B347B #7B2B34 #347B2B

tetradic

#2B347B #7B2B5C #7B722B #2B7B4A

square

#2B347B #7B2B5C #7B722B #2B7B4A

split-complementary

#2B347B #7B4A2B #5C7B2B

monochromatic

#0B0E20 #1B214E #2B347B #3B47A8 #5B67C6

Accessibility & contrast

On white

11.17

#2B347B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B347B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B347B

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B347B	#FFFFFF	#000000	##FFFFFF
##2B347B	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b347b;
/* rgb */ color: rgb(43, 52, 123);
/* oklch */ color: oklch(36.1% 0.120 273.4);

Tailwind

colors: {
  custom: {
    50: '#6e6ba2',
    500: '#2b347b',
    950: '#000000',
  },
}

SCSS

$custom: #2b347b;
$custom-light: #6e6ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b347b",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 123
  },
  "hsl": {
    "h": 233.25,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36092,
    "c": 0.12,
    "h": 273.4
  },
  "luminance": 0.044
}

Semantic roles & 50–950 ramp

primary

#2B347B

secondary

#ABA256

accent

#C950D8

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2B347B

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

Preview Lab → · Contrast checker → · Palette generator →