#2B3755#2B3755

#2B3755 is a dark, muted blue. Relative luminance 0.039; OKLCH L 34.1% C 0.055 H 266.9°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B3755
RGB	rgb(43, 55, 85)
HSL	hsl(223, 33%, 25%)
HSV	hsv(223, 49%, 33%)
CMYK	cmyk(49.4%, 35.3%, 0%, 66.7%)
CIE-LAB	lab(23.34, 4.36, -19.72)
CIE-LCH	lch(23.34, 20.20, 282.46°)
OKLab	oklab(34.06% -0.003 -0.0553)
OKLCH	oklch(34.06% 0.055 266.9)
XYZ	xyz(4.0016, 3.9016, 9.1348)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3755 #55492B

analogous

#2B4C55 #2B3755 #342B55

triadic

#2B3755 #552B37 #37552B

tetradic

#2B3755 #552B4C #55492B #2B5534

square

#2B3755 #552B4C #55492B #2B5534

split-complementary

#2B3755 #55342B #4C552B

monochromatic

#0A0D14 #161D2C #2B3755 #40517E #546CA6

Accessibility & contrast

On white

11.80

#2B3755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2B3755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3755

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3755	#FFFFFF	#000000	##FFFFFF
##2B3755	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3A56

Deuteranopia (green-blind)

#283654

Tritanopia (blue-blind)

#1B3D42

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b3755;
/* rgb */ color: rgb(43, 55, 85);
/* oklch */ color: oklch(34.1% 0.055 266.9);

Tailwind

colors: {
  custom: {
    50: '#676d85',
    500: '#2b3755',
    950: '#000000',
  },
}

SCSS

$custom: #2b3755;
$custom-light: #676d85;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3755",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 85
  },
  "hsl": {
    "h": 222.857,
    "s": 32.812,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34063,
    "c": 0.05542,
    "h": 266.9
  },
  "luminance": 0.03902
}

Semantic roles & 50–950 ramp

primary

#2B3755

secondary

#877955

accent

#AB5FC9

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #2B3755

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

Preview Lab → · Contrast checker → · Palette generator →