#2B447B#2B447B

#2B447B is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.6% C 0.098 H 264.0°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B447B
RGB	rgb(43, 68, 123)
HSL	hsl(221, 48%, 33%)
HSV	hsv(221, 65%, 48%)
CMYK	cmyk(65%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(29.61, 9.32, -34.21)
CIE-LCH	lch(29.61, 35.46, 285.24°)
OKLab	oklab(39.63% -0.0102 -0.0975)
OKLCH	oklch(39.63% 0.098 264)
XYZ	xyz(6.6373, 6.0773, 19.5583)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B447B #7B622B

analogous

#2B6C7B #2B447B #3A2B7B

triadic

#2B447B #7B2B44 #447B2B

tetradic

#2B447B #7B2B6C #7B622B #2B7B3A

square

#2B447B #7B2B6C #7B622B #2B7B3A

split-complementary

#2B447B #7B3A2B #6C7B2B

monochromatic

#0B1220 #1B2B4E #2B447B #3B5DA8 #5B7CC6

Accessibility & contrast

On white

9.48

#2B447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B447B

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B447B	#FFFFFF	#000000	##FFFFFF
##2B447B	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4A7D

Deuteranopia (green-blind)

#1F427A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b447b;
/* rgb */ color: rgb(43, 68, 123);
/* oklch */ color: oklch(39.6% 0.098 264.0);

Tailwind

colors: {
  custom: {
    50: '#6d77a1',
    500: '#2b447b',
    950: '#000000',
  },
}

SCSS

$custom: #2b447b;
$custom-light: #6d77a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b447b",
  "rgb": {
    "r": 43,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 221.25,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39629,
    "c": 0.09807,
    "h": 264
  },
  "luminance": 0.06078
}

Semantic roles & 50–950 ramp

primary

#2B447B

secondary

#AB9156

accent

#AD50D8

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2B447B

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

Preview Lab → · Contrast checker → · Palette generator →