#2B366B#2B366B

#2B366B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.093 H 272.0°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B366B
RGB	rgb(43, 54, 107)
HSL	hsl(230, 43%, 29%)
HSV	hsv(230, 60%, 42%)
CMYK	cmyk(59.8%, 49.5%, 0%, 58%)
CIE-LAB	lab(24.36, 12.97, -32.44)
CIE-LCH	lch(24.36, 34.94, 291.79°)
OKLab	oklab(35.28% 0.0033 -0.0925)
OKLCH	oklch(35.28% 0.093 272)
XYZ	xyz(4.9684, 4.2131, 14.4585)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B366B #6B602B

analogous

#2B566B #2B366B #402B6B

triadic

#2B366B #6B2B36 #366B2B

tetradic

#2B366B #6B2B56 #6B602B #2B6B40

square

#2B366B #6B2B56 #6B602B #2B6B40

split-complementary

#2B366B #6B402B #566B2B

monochromatic

#090B16 #19203F #2B366B #3D4C97 #5667BB

Accessibility & contrast

On white

11.40

#2B366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B366B

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B366B	#FFFFFF	#000000	##FFFFFF
##2B366B	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3D6D

Deuteranopia (green-blind)

#14376A

Tritanopia (blue-blind)

#04424B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b366b;
/* rgb */ color: rgb(43, 54, 107);
/* oklch */ color: oklch(35.3% 0.093 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a6c96',
    500: '#2b366b',
    950: '#000000',
  },
}

SCSS

$custom: #2b366b;
$custom-light: #6a6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#2b366b",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 229.688,
    "s": 42.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3528,
    "c": 0.09258,
    "h": 272
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#2B366B

secondary

#9D9155

accent

#BD55D2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #2B366B

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

Preview Lab → · Contrast checker → · Palette generator →