#2B4881#2B4881

#2B4881 is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.0% C 0.102 H 262.5°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B4881
RGB	rgb(43, 72, 129)
HSL	hsl(220, 50%, 34%)
HSV	hsv(220, 67%, 51%)
CMYK	cmyk(66.7%, 44.2%, 0%, 49.4%)
CIE-LAB	lab(31.19, 8.88, -35.43)
CIE-LCH	lch(31.19, 36.52, 284.08°)
OKLab	oklab(40.97% -0.0134 -0.101)
OKLCH	oklch(40.97% 0.102 262.5)
XYZ	xyz(7.2747, 6.7326, 21.6808)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4881 #81642B

analogous

#2B7381 #2B4881 #392B81

triadic

#2B4881 #812B48 #48812B

tetradic

#2B4881 #812B73 #81642B #2B8139

square

#2B4881 #812B73 #81642B #2B8139

split-complementary

#2B4881 #81392B #73812B

monochromatic

#0C1525 #1C2E53 #2B4881 #3A62AF #5D82C9

Accessibility & contrast

On white

8.95

#2B4881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2B4881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4881

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4881	#FFFFFF	#000000	##FFFFFF
##2B4881	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4E83

Deuteranopia (green-blind)

#204680

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b4881;
/* rgb */ color: rgb(43, 72, 129);
/* oklch */ color: oklch(41.0% 0.102 262.5);

Tailwind

colors: {
  custom: {
    50: '#6e7aa6',
    500: '#2b4881',
    950: '#000000',
  },
}

SCSS

$custom: #2b4881;
$custom-light: #6e7aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4881",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 129
  },
  "hsl": {
    "h": 219.767,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.4097,
    "c": 0.10192,
    "h": 262.5
  },
  "luminance": 0.06733
}

Semantic roles & 50–950 ramp

primary

#2B4881

secondary

#AF9259

accent

#AB4EDA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4881

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

Preview Lab → · Contrast checker → · Palette generator →