#2B3478#2B3478

#2B3478 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.8% C 0.116 H 273.4°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B3478
RGB	rgb(43, 52, 120)
HSL	hsl(233, 47%, 32%)
HSV	hsv(233, 64%, 47%)
CMYK	cmyk(64.2%, 56.7%, 0%, 52.9%)
CIE-LAB	lab(24.72, 19.20, -40.18)
CIE-LCH	lch(24.72, 44.53, 295.55°)
OKLab	oklab(35.85% 0.0069 -0.1153)
OKLCH	oklch(35.85% 0.116 273.4)
XYZ	xyz(5.6133, 4.3252, 18.3047)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3478 #786F2B

analogous

#2B5B78 #2B3478 #492B78

triadic

#2B3478 #782B34 #34782B

tetradic

#2B3478 #782B5B #786F2B #2B7849

square

#2B3478 #782B5B #786F2B #2B7849

split-complementary

#2B3478 #78492B #5B782B

monochromatic

#0B0D1E #1B204B #2B3478 #3B48A5 #5A66C4

Accessibility & contrast

On white

11.26

#2B3478 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2B3478 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3478

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3478	#FFFFFF	#000000	##FFFFFF
##2B3478	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043E7A

Deuteranopia (green-blind)

#003777

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3478;
/* rgb */ color: rgb(43, 52, 120);
/* oklch */ color: oklch(35.8% 0.116 273.4);

Tailwind

colors: {
  custom: {
    50: '#6d6b9f',
    500: '#2b3478',
    950: '#000000',
  },
}

SCSS

$custom: #2b3478;
$custom-light: #6d6b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3478",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 120
  },
  "hsl": {
    "h": 232.987,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35846,
    "c": 0.11551,
    "h": 273.4
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#2B3478

secondary

#AAA055

accent

#C751D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2B3478

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

Preview Lab → · Contrast checker → · Palette generator →