#2B4380#2B4380

#2B4380 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.7% C 0.107 H 265.6°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B4380
RGB	rgb(43, 67, 128)
HSL	hsl(223, 50%, 34%)
HSV	hsv(223, 66%, 50%)
CMYK	cmyk(66.4%, 47.7%, 0%, 49.8%)
CIE-LAB	lab(29.63, 11.89, -37.30)
CIE-LCH	lch(29.63, 39.15, 287.68°)
OKLab	oklab(39.75% -0.0081 -0.1066)
OKLCH	oklch(39.75% 0.107 265.6)
XYZ	xyz(6.8984, 6.0858, 21.2290)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4380 #80682B

analogous

#2B6D80 #2B4380 #3D2B80

triadic

#2B4380 #802B43 #43802B

tetradic

#2B4380 #802B6D #80682B #2B803D

square

#2B4380 #802B6D #80682B #2B803D

split-complementary

#2B4380 #803D2B #6D802B

monochromatic

#0C1324 #1C2B52 #2B4380 #3A5BAE #5D7BC9

Accessibility & contrast

On white

9.47

#2B4380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B4380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4380

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4380	#FFFFFF	#000000	##FFFFFF
##2B4380	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254A82

Deuteranopia (green-blind)

#16427F

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b4380;
/* rgb */ color: rgb(43, 67, 128);
/* oklch */ color: oklch(39.7% 0.107 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e76a5',
    500: '#2b4380',
    950: '#000000',
  },
}

SCSS

$custom: #2b4380;
$custom-light: #6e76a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4380",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 128
  },
  "hsl": {
    "h": 223.059,
    "s": 49.708,
    "l": 33.529
  },
  "oklch": {
    "l": 0.39749,
    "c": 0.10694,
    "h": 265.6
  },
  "luminance": 0.06086
}

Semantic roles & 50–950 ramp

primary

#2B4380

secondary

#AE9658

accent

#B24FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4380

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

Preview Lab → · Contrast checker → · Palette generator →