#2B3984#2B3984

#2B3984 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.126 H 271.1°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B3984
RGB	rgb(43, 57, 132)
HSL	hsl(231, 51%, 34%)
HSV	hsv(231, 67%, 52%)
CMYK	cmyk(67.4%, 56.8%, 0%, 48.2%)
CIE-LAB	lab(27.03, 20.26, -43.98)
CIE-LCH	lch(27.03, 48.42, 294.74°)
OKLab	oklab(37.87% 0.0025 -0.1264)
OKLCH	oklch(37.87% 0.126 271.1)
XYZ	xyz(6.6228, 5.1052, 22.4617)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3984 #84762B

analogous

#2B6684 #2B3984 #4A2B84

triadic

#2B3984 #842B39 #39842B

tetradic

#2B3984 #842B66 #84762B #2B844A

square

#2B3984 #842B66 #84762B #2B844A

split-complementary

#2B3984 #844A2B #66842B

monochromatic

#0D1128 #1C2556 #2B3984 #3A4DB2 #5F70CB

Accessibility & contrast

On white

10.39

#2B3984 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B3984 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3984

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3984	#FFFFFF	#000000	##FFFFFF
##2B3984	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004487

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3984;
/* rgb */ color: rgb(43, 57, 132);
/* oklch */ color: oklch(37.9% 0.126 271.1);

Tailwind

colors: {
  custom: {
    50: '#6f6fa8',
    500: '#2b3984',
    950: '#000000',
  },
}

SCSS

$custom: #2b3984;
$custom-light: #6f6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3984",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 132
  },
  "hsl": {
    "h": 230.562,
    "s": 50.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37872,
    "c": 0.12644,
    "h": 271.1
  },
  "luminance": 0.05106
}

Semantic roles & 50–950 ramp

primary

#2B3984

secondary

#B1A35A

accent

#C44DDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3984

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

Preview Lab → · Contrast checker → · Palette generator →