#2B3564#2B3564

#2B3564 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.083 H 272.4°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B3564
RGB	rgb(43, 53, 100)
HSL	hsl(229, 40%, 28%)
HSV	hsv(229, 57%, 39%)
CMYK	cmyk(57%, 47%, 0%, 60.8%)
CIE-LAB	lab(23.60, 11.09, -29.13)
CIE-LCH	lch(23.60, 31.17, 290.85°)
OKLab	oklab(34.55% 0.0034 -0.0828)
OKLCH	oklch(34.55% 0.083 272.4)
XYZ	xyz(4.5689, 3.9796, 12.5815)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3564 #645A2B

analogous

#2B5164 #2B3564 #3D2B64

triadic

#2B3564 #642B35 #35642B

tetradic

#2B3564 #642B51 #645A2B #2B643D

square

#2B3564 #642B51 #645A2B #2B643D

split-complementary

#2B3564 #643D2B #51642B

monochromatic

#090B15 #191E39 #2B3564 #3D4C8F #5465B5

Accessibility & contrast

On white

11.69

#2B3564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B3564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3564

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3564	#FFFFFF	#000000	##FFFFFF
##2B3564	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213B66

Deuteranopia (green-blind)

#1A3663

Tritanopia (blue-blind)

#0F3F47

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b3564;
/* rgb */ color: rgb(43, 53, 100);
/* oklch */ color: oklch(34.6% 0.083 272.4);

Tailwind

colors: {
  custom: {
    50: '#696c90',
    500: '#2b3564',
    950: '#000000',
  },
}

SCSS

$custom: #2b3564;
$custom-light: #696c90;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3564",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 100
  },
  "hsl": {
    "h": 229.474,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34552,
    "c": 0.08288,
    "h": 272.4
  },
  "luminance": 0.0398
}

Semantic roles & 50–950 ramp

primary

#2B3564

secondary

#968B55

accent

#BB58D0

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #2B3564

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

Preview Lab → · Contrast checker → · Palette generator →