#2B3D79#2B3D79

#2B3D79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.104 H 268.5°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D79
RGB	rgb(43, 61, 121)
HSL	hsl(226, 48%, 32%)
HSV	hsv(226, 64%, 47%)
CMYK	cmyk(64.5%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(27.38, 13.35, -36.52)
CIE-LCH	lch(27.38, 38.88, 290.09°)
OKLab	oklab(37.88% -0.0027 -0.1044)
OKLCH	oklch(37.88% 0.104 268.5)
XYZ	xyz(6.1150, 5.2310, 18.7729)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D79 #79672B

analogous

#2B6479 #2B3D79 #402B79

triadic

#2B3D79 #792B3D #3D792B

tetradic

#2B3D79 #792B64 #79672B #2B7940

square

#2B3D79 #792B64 #79672B #2B7940

split-complementary

#2B3D79 #79402B #64792B

monochromatic

#0B0F1F #1B264C #2B3D79 #3B54A6 #5A73C4

Accessibility & contrast

On white

10.26

#2B3D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B3D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D79

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D79	#FFFFFF	#000000	##FFFFFF
##2B3D79	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F447B

Deuteranopia (green-blind)

#113D78

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3d79;
/* rgb */ color: rgb(43, 61, 121);
/* oklch */ color: oklch(37.9% 0.104 268.5);

Tailwind

colors: {
  custom: {
    50: '#6d72a0',
    500: '#2b3d79',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d79;
$custom-light: #6d72a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d79",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 226.154,
    "s": 47.561,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37883,
    "c": 0.10445,
    "h": 268.5
  },
  "luminance": 0.05232
}

Semantic roles & 50–950 ramp

primary

#2B3D79

secondary

#AA9756

accent

#B851D7

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #2B3D79

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

Preview Lab → · Contrast checker → · Palette generator →