#2B3778#2B3778

#2B3778 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.111 H 271.9°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B3778
RGB	rgb(43, 55, 120)
HSL	hsl(231, 47%, 32%)
HSV	hsv(231, 64%, 47%)
CMYK	cmyk(64.2%, 54.2%, 0%, 52.9%)
CIE-LAB	lab(25.57, 17.13, -38.81)
CIE-LCH	lch(25.57, 42.42, 293.81°)
OKLab	oklab(36.49% 0.0037 -0.1112)
OKLCH	oklch(36.49% 0.111 271.9)
XYZ	xyz(5.7515, 4.6016, 18.3508)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3778 #786C2B

analogous

#2B5E78 #2B3778 #462B78

triadic

#2B3778 #782B37 #37782B

tetradic

#2B3778 #782B5E #786C2B #2B7846

square

#2B3778 #782B5E #786C2B #2B7846

split-complementary

#2B3778 #78462B #5E782B

monochromatic

#0B0E1E #1B224B #2B3778 #3B4CA5 #5A6AC4

Accessibility & contrast

On white

10.94

#2B3778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3778

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3778	#FFFFFF	#000000	##FFFFFF
##2B3778	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11407A

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3778;
/* rgb */ color: rgb(43, 55, 120);
/* oklch */ color: oklch(36.5% 0.111 271.9);

Tailwind

colors: {
  custom: {
    50: '#6d6d9f',
    500: '#2b3778',
    950: '#000000',
  },
}

SCSS

$custom: #2b3778;
$custom-light: #6d6d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3778",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 120
  },
  "hsl": {
    "h": 230.649,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36485,
    "c": 0.11128,
    "h": 271.9
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#2B3778

secondary

#AA9C55

accent

#C251D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3778

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

Preview Lab → · Contrast checker → · Palette generator →