#2B478B#2B478B

#2B478B is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.4% C 0.118 H 264.9°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B478B
RGB	rgb(43, 71, 139)
HSL	hsl(223, 53%, 36%)
HSV	hsv(223, 69%, 55%)
CMYK	cmyk(69.1%, 48.9%, 0%, 45.5%)
CIE-LAB	lab(31.54, 13.37, -41.04)
CIE-LCH	lch(31.54, 43.17, 288.04°)
OKLab	oklab(41.45% -0.0105 -0.1176)
OKLCH	oklch(41.45% 0.118 264.9)
XYZ	xyz(7.9081, 6.8834, 25.3330)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B478B #8B6F2B

analogous

#2B778B #2B478B #3F2B8B

triadic

#2B478B #8B2B47 #478B2B

tetradic

#2B478B #8B2B77 #8B6F2B #2B8B3F

square

#2B478B #8B2B77 #8B6F2B #2B8B3F

split-complementary

#2B478B #8B3F2B #778B2B

monochromatic

#0E172E #1D2F5C #2B478B #395FBA #6282CE

Accessibility & contrast

On white

8.84

#2B478B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B478B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B478B

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B478B	#FFFFFF	#000000	##FFFFFF
##2B478B	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234F8E

Deuteranopia (green-blind)

#0E468A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b478b;
/* rgb */ color: rgb(43, 71, 139);
/* oklch */ color: oklch(41.4% 0.118 264.9);

Tailwind

colors: {
  custom: {
    50: '#7079ad',
    500: '#2b478b',
    950: '#000000',
  },
}

SCSS

$custom: #2b478b;
$custom-light: #7079ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b478b",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 139
  },
  "hsl": {
    "h": 222.5,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41448,
    "c": 0.11804,
    "h": 264.9
  },
  "luminance": 0.06884
}

Semantic roles & 50–950 ramp

primary

#2B478B

secondary

#B59B5D

accent

#B24CDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B478B

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

Preview Lab → · Contrast checker → · Palette generator →