#2B4F83#2B4F83

#2B4F83 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.096 H 257.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F83
RGB	rgb(43, 79, 131)
HSL	hsl(215, 51%, 34%)
HSV	hsv(215, 67%, 51%)
CMYK	cmyk(67.2%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(33.44, 4.97, -33.08)
CIE-LCH	lch(33.44, 33.45, 278.55°)
OKLab	oklab(42.75% -0.0205 -0.0941)
OKLCH	oklch(42.75% 0.096 257.7)
XYZ	xyz(7.8875, 7.7435, 22.5473)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F83 #835F2B

analogous

#2B7B83 #2B4F83 #332B83

triadic

#2B4F83 #832B4F #4F832B

tetradic

#2B4F83 #832B7B #835F2B #2B8333

square

#2B4F83 #832B7B #835F2B #2B8333

split-complementary

#2B4F83 #83332B #7B832B

monochromatic

#0D1727 #1C3355 #2B4F83 #3A6BB1 #5E8ACA

Accessibility & contrast

On white

8.24

#2B4F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2B4F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F83

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F83	#FFFFFF	#000000	##FFFFFF
##2B4F83	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385385

Deuteranopia (green-blind)

#2B4B82

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4f83;
/* rgb */ color: rgb(43, 79, 131);
/* oklch */ color: oklch(42.8% 0.096 257.7);

Tailwind

colors: {
  custom: {
    50: '#6e80a7',
    500: '#2b4f83',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f83;
$custom-light: #6e80a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f83",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 215.455,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42754,
    "c": 0.09627,
    "h": 257.7
  },
  "luminance": 0.07744
}

Semantic roles & 50–950 ramp

primary

#2B4F83

secondary

#B08D5A

accent

#A14EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B4F83

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

Preview Lab → · Contrast checker → · Palette generator →