#2B3374#2B3374

#2B3374 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.3% C 0.111 H 274.0°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B3374
RGB	rgb(43, 51, 116)
HSL	hsl(233, 46%, 31%)
HSV	hsv(233, 63%, 45%)
CMYK	cmyk(62.9%, 56%, 0%, 54.5%)
CIE-LAB	lab(24.13, 18.40, -38.58)
CIE-LCH	lch(24.13, 42.74, 295.50°)
OKLab	oklab(35.31% 0.0077 -0.1106)
OKLCH	oklch(35.31% 0.111 274)
XYZ	xyz(5.3314, 4.1418, 17.0381)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3374 #746C2B

analogous

#2B5774 #2B3374 #472B74

triadic

#2B3374 #742B33 #33742B

tetradic

#2B3374 #742B57 #746C2B #2B7447

square

#2B3374 #742B57 #746C2B #2B7447

split-complementary

#2B3374 #74472B #57742B

monochromatic

#0A0C1B #1A1F47 #2B3374 #3C47A1 #5864C1

Accessibility & contrast

On white

11.49

#2B3374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2B3374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3374

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3374	#FFFFFF	#000000	##FFFFFF
##2B3374	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093D76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b3374;
/* rgb */ color: rgb(43, 51, 116);
/* oklch */ color: oklch(35.3% 0.111 274.0);

Tailwind

colors: {
  custom: {
    50: '#6c6a9c',
    500: '#2b3374',
    950: '#000000',
  },
}

SCSS

$custom: #2b3374;
$custom-light: #6c6a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3374",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 233.425,
    "s": 45.912,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35312,
    "c": 0.11087,
    "h": 274
  },
  "luminance": 0.04142
}

Semantic roles & 50–950 ramp

primary

#2B3374

secondary

#A69D55

accent

#C752D6

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3374

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

Preview Lab → · Contrast checker → · Palette generator →