#2B3479#2B3479

#2B3479 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.9% C 0.117 H 273.4°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B3479
RGB	rgb(43, 52, 121)
HSL	hsl(233, 48%, 32%)
HSV	hsv(233, 64%, 47%)
CMYK	cmyk(64.5%, 57%, 0%, 52.5%)
CIE-LAB	lab(24.80, 19.58, -40.69)
CIE-LCH	lch(24.80, 45.15, 295.69°)
OKLab	oklab(35.93% 0.0069 -0.1168)
OKLCH	oklch(35.93% 0.117 273.4)
XYZ	xyz(5.6743, 4.3496, 18.6260)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3479 #79702B

analogous

#2B5B79 #2B3479 #492B79

triadic

#2B3479 #792B34 #34792B

tetradic

#2B3479 #792B5B #79702B #2B7949

square

#2B3479 #792B5B #79702B #2B7949

split-complementary

#2B3479 #79492B #5B792B

monochromatic

#0B0D1F #1B214C #2B3479 #3B47A6 #5A66C4

Accessibility & contrast

On white

11.23

#2B3479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2B3479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3479

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3479	#FFFFFF	#000000	##FFFFFF
##2B3479	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023E7B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3479;
/* rgb */ color: rgb(43, 52, 121);
/* oklch */ color: oklch(35.9% 0.117 273.4);

Tailwind

colors: {
  custom: {
    50: '#6d6ba0',
    500: '#2b3479',
    950: '#000000',
  },
}

SCSS

$custom: #2b3479;
$custom-light: #6d6ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3479",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 121
  },
  "hsl": {
    "h": 233.077,
    "s": 47.561,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35928,
    "c": 0.11701,
    "h": 273.4
  },
  "luminance": 0.0435
}

Semantic roles & 50–950 ramp

primary

#2B3479

secondary

#AAA056

accent

#C851D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2B3479

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

Preview Lab → · Contrast checker → · Palette generator →