#2B3366#2B3366

#2B3366 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.089 H 274.0°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B3366
RGB	rgb(43, 51, 102)
HSL	hsl(232, 41%, 28%)
HSV	hsv(232, 58%, 40%)
CMYK	cmyk(57.8%, 50%, 0%, 60%)
CIE-LAB	lab(23.14, 13.23, -31.18)
CIE-LCH	lch(23.14, 33.87, 292.99°)
OKLab	oklab(34.24% 0.0063 -0.0888)
OKLCH	oklch(34.24% 0.089 274)
XYZ	xyz(4.5776, 3.8402, 13.0678)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3366 #665E2B

analogous

#2B5066 #2B3366 #402B66

triadic

#2B3366 #662B33 #33662B

tetradic

#2B3366 #662B50 #665E2B #2B6640

square

#2B3366 #662B50 #665E2B #2B6640

split-complementary

#2B3366 #66402B #50662B

monochromatic

#090B16 #191D3B #2B3366 #3D4991 #5462B7

Accessibility & contrast

On white

11.88

#2B3366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B3366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3366

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3366	#FFFFFF	#000000	##FFFFFF
##2B3366	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3A68

Deuteranopia (green-blind)

#143565

Tritanopia (blue-blind)

#0D3E47

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b3366;
/* rgb */ color: rgb(43, 51, 102);
/* oklch */ color: oklch(34.2% 0.089 274.0);

Tailwind

colors: {
  custom: {
    50: '#6a6a92',
    500: '#2b3366',
    950: '#000000',
  },
}

SCSS

$custom: #2b3366;
$custom-light: #6a6a92;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3366",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 102
  },
  "hsl": {
    "h": 231.864,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34238,
    "c": 0.08906,
    "h": 274
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#2B3366

secondary

#988F55

accent

#C057D1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2B3366

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

Preview Lab → · Contrast checker → · Palette generator →