#2B478C#2B478C

#2B478C is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.5% C 0.120 H 265.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B478C
RGB	rgb(43, 71, 140)
HSL	hsl(223, 53%, 36%)
HSV	hsv(223, 69%, 55%)
CMYK	cmyk(69.3%, 49.3%, 0%, 45.1%)
CIE-LAB	lab(31.61, 13.75, -41.55)
CIE-LCH	lch(31.61, 43.77, 288.31°)
OKLab	oklab(41.52% -0.0104 -0.1191)
OKLCH	oklch(41.52% 0.12 265)
XYZ	xyz(7.9815, 6.9127, 25.7195)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B478C #8C702B

analogous

#2B778C #2B478C #3F2B8C

triadic

#2B478C #8C2B47 #478C2B

tetradic

#2B478C #8C2B77 #8C702B #2B8C3F

square

#2B478C #8C2B77 #8C702B #2B8C3F

split-complementary

#2B478C #8C3F2B #778C2B

monochromatic

#0E182E #1D2F5D #2B478C #395FBB #6282CF

Accessibility & contrast

On white

8.81

#2B478C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B478C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B478C

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B478C	#FFFFFF	#000000	##FFFFFF
##2B478C	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224F8F

Deuteranopia (green-blind)

#0B468B

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b478c;
/* rgb */ color: rgb(43, 71, 140);
/* oklch */ color: oklch(41.5% 0.120 265.0);

Tailwind

colors: {
  custom: {
    50: '#7079ae',
    500: '#2b478c',
    950: '#000000',
  },
}

SCSS

$custom: #2b478c;
$custom-light: #7079ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b478c",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 140
  },
  "hsl": {
    "h": 222.68,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41521,
    "c": 0.11951,
    "h": 265
  },
  "luminance": 0.06914
}

Semantic roles & 50–950 ramp

primary

#2B478C

secondary

#B59C5E

accent

#B34BDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B478C

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

Preview Lab → · Contrast checker → · Palette generator →