#2B4D87#2B4D87

#2B4D87 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.5% C 0.105 H 260.4°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D87
RGB	rgb(43, 77, 135)
HSL	hsl(218, 52%, 35%)
HSV	hsv(218, 68%, 53%)
CMYK	cmyk(68.1%, 43%, 0%, 47.1%)
CIE-LAB	lab(33.07, 7.81, -36.13)
CIE-LCH	lch(33.07, 36.97, 282.20°)
OKLab	oklab(42.54% -0.0174 -0.103)
OKLCH	oklch(42.54% 0.105 260.4)
XYZ	xyz(8.0218, 7.5698, 23.9553)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D87 #87652B

analogous

#2B7B87 #2B4D87 #372B87

triadic

#2B4D87 #872B4D #4D872B

tetradic

#2B4D87 #872B7B #87652B #2B8737

square

#2B4D87 #872B7B #87652B #2B8737

split-complementary

#2B4D87 #87372B #7B872B

monochromatic

#0D182A #1C3359 #2B4D87 #3A67B5 #6088CC

Accessibility & contrast

On white

8.35

#2B4D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2B4D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D87

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D87	#FFFFFF	#000000	##FFFFFF
##2B4D87	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325289

Deuteranopia (green-blind)

#244A86

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4d87;
/* rgb */ color: rgb(43, 77, 135);
/* oklch */ color: oklch(42.5% 0.105 260.4);

Tailwind

colors: {
  custom: {
    50: '#6f7eaa',
    500: '#2b4d87',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d87;
$custom-light: #6f7eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d87",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 135
  },
  "hsl": {
    "h": 217.826,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42542,
    "c": 0.10451,
    "h": 260.4
  },
  "luminance": 0.07571
}

Semantic roles & 50–950 ramp

primary

#2B4D87

secondary

#B2925B

accent

#A64DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D87

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

Preview Lab → · Contrast checker → · Palette generator →