#2B406D#2B406D

#2B406D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.7% C 0.082 H 264.0°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B406D
RGB	rgb(43, 64, 109)
HSL	hsl(221, 43%, 30%)
HSV	hsv(221, 61%, 43%)
CMYK	cmyk(60.6%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(27.53, 6.81, -28.68)
CIE-LCH	lch(27.53, 29.48, 283.35°)
OKLab	oklab(37.75% -0.0086 -0.0814)
OKLCH	oklch(37.75% 0.082 264)
XYZ	xyz(5.5890, 5.2841, 15.1904)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B406D #6D582B

analogous

#2B616D #2B406D #372B6D

triadic

#2B406D #6D2B40 #406D2B

tetradic

#2B406D #6D2B61 #6D582B #2B6D37

square

#2B406D #6D2B61 #6D582B #2B6D37

split-complementary

#2B406D #6D372B #616D2B

monochromatic

#090D16 #1A2641 #2B406D #3C5A99 #5677BC

Accessibility & contrast

On white

10.21

#2B406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B406D

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B406D	#FFFFFF	#000000	##FFFFFF
##2B406D	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D446F

Deuteranopia (green-blind)

#253E6C

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b406d;
/* rgb */ color: rgb(43, 64, 109);
/* oklch */ color: oklch(37.7% 0.082 264.0);

Tailwind

colors: {
  custom: {
    50: '#6a7497',
    500: '#2b406d',
    950: '#000000',
  },
}

SCSS

$custom: #2b406d;
$custom-light: #6a7497;
$custom-dark: #000000;

JSON

{
  "hex": "#2b406d",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 220.909,
    "s": 43.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37749,
    "c": 0.08182,
    "h": 264
  },
  "luminance": 0.05285
}

Semantic roles & 50–950 ramp

primary

#2B406D

secondary

#9F8755

accent

#AB55D3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #2B406D

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

Preview Lab → · Contrast checker → · Palette generator →