#2B4580#2B4580

#2B4580 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.104 H 264.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#2B4580
RGB	rgb(43, 69, 128)
HSL	hsl(222, 50%, 34%)
HSV	hsv(222, 66%, 50%)
CMYK	cmyk(66.4%, 46.1%, 0%, 49.8%)
CIE-LAB	lab(30.22, 10.53, -36.35)
CIE-LCH	lch(30.22, 37.84, 286.16°)
OKLab	oklab(40.21% -0.0103 -0.1038)
OKLCH	oklch(40.21% 0.104 264.3)
XYZ	xyz(7.0193, 6.3277, 21.2693)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4580 #80662B

analogous

#2B6F80 #2B4580 #3B2B80

triadic

#2B4580 #802B45 #45802B

tetradic

#2B4580 #802B6F #80662B #2B803B

square

#2B4580 #802B6F #80662B #2B803B

split-complementary

#2B4580 #803B2B #6F802B

monochromatic

#0C1424 #1C2C52 #2B4580 #3A5EAE #5D7EC9

Accessibility & contrast

On white

9.27

#2B4580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B4580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4580

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4580	#FFFFFF	#000000	##FFFFFF
##2B4580	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294B82

Deuteranopia (green-blind)

#1B447F

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4580;
/* rgb */ color: rgb(43, 69, 128);
/* oklch */ color: oklch(40.2% 0.104 264.3);

Tailwind

colors: {
  custom: {
    50: '#6e78a5',
    500: '#2b4580',
    950: '#000000',
  },
}

SCSS

$custom: #2b4580;
$custom-light: #6e78a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4580",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 128
  },
  "hsl": {
    "h": 221.647,
    "s": 49.708,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40207,
    "c": 0.1043,
    "h": 264.3
  },
  "luminance": 0.06328
}

Semantic roles & 50–950 ramp

primary

#2B4580

secondary

#AE9458

accent

#AF4FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4580

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

Preview Lab → · Contrast checker → · Palette generator →