#2B4E80#2B4E80

#2B4E80 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.3% C 0.093 H 257.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E80
RGB	rgb(43, 78, 128)
HSL	hsl(215, 50%, 34%)
HSV	hsv(215, 66%, 50%)
CMYK	cmyk(66.4%, 39.1%, 0%, 49.8%)
CIE-LAB	lab(32.96, 4.51, -31.99)
CIE-LCH	lch(32.96, 32.30, 278.02°)
OKLab	oklab(42.32% -0.0202 -0.0909)
OKLCH	oklch(42.32% 0.093 257.5)
XYZ	xyz(7.6155, 7.5202, 21.4681)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E80 #805D2B

analogous

#2B7880 #2B4E80 #322B80

triadic

#2B4E80 #802B4E #4E802B

tetradic

#2B4E80 #802B78 #805D2B #2B8032

square

#2B4E80 #802B78 #805D2B #2B8032

split-complementary

#2B4E80 #80322B #78802B

monochromatic

#0C1624 #1C3252 #2B4E80 #3A6AAE #5D89C9

Accessibility & contrast

On white

8.39

#2B4E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2B4E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E80

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E80	#FFFFFF	#000000	##FFFFFF
##2B4E80	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385282

Deuteranopia (green-blind)

#2C4A7F

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4e80;
/* rgb */ color: rgb(43, 78, 128);
/* oklch */ color: oklch(42.3% 0.093 257.5);

Tailwind

colors: {
  custom: {
    50: '#6e7fa5',
    500: '#2b4e80',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e80;
$custom-light: #6e7fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e80",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 128
  },
  "hsl": {
    "h": 215.294,
    "s": 49.708,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42324,
    "c": 0.09309,
    "h": 257.5
  },
  "luminance": 0.07521
}

Semantic roles & 50–950 ramp

primary

#2B4E80

secondary

#AE8B58

accent

#A04FD9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B4E80

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

Preview Lab → · Contrast checker → · Palette generator →