#2B4E83#2B4E83

#2B4E83 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.5% C 0.097 H 258.5°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E83
RGB	rgb(43, 78, 131)
HSL	hsl(216, 51%, 34%)
HSV	hsv(216, 67%, 51%)
CMYK	cmyk(67.2%, 40.5%, 0%, 48.6%)
CIE-LAB	lab(33.14, 5.63, -33.57)
CIE-LCH	lch(33.14, 34.03, 279.53°)
OKLab	oklab(42.52% -0.0194 -0.0955)
OKLCH	oklch(42.52% 0.097 258.5)
XYZ	xyz(7.8159, 7.6003, 22.5234)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E83 #83602B

analogous

#2B7A83 #2B4E83 #342B83

triadic

#2B4E83 #832B4E #4E832B

tetradic

#2B4E83 #832B7A #83602B #2B8334

square

#2B4E83 #832B7A #83602B #2B8334

split-complementary

#2B4E83 #83342B #7A832B

monochromatic

#0D1727 #1C3355 #2B4E83 #3A69B1 #5E89CA

Accessibility & contrast

On white

8.33

#2B4E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B4E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E83

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E83	#FFFFFF	#000000	##FFFFFF
##2B4E83	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365285

Deuteranopia (green-blind)

#2A4A82

Tritanopia (blue-blind)

#005A62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b4e83;
/* rgb */ color: rgb(43, 78, 131);
/* oklch */ color: oklch(42.5% 0.097 258.5);

Tailwind

colors: {
  custom: {
    50: '#6e7fa7',
    500: '#2b4e83',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e83;
$custom-light: #6e7fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e83",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 131
  },
  "hsl": {
    "h": 216.136,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42515,
    "c": 0.09746,
    "h": 258.5
  },
  "luminance": 0.07601
}

Semantic roles & 50–950 ramp

primary

#2B4E83

secondary

#B08E5A

accent

#A24EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2B4E83

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

Preview Lab → · Contrast checker → · Palette generator →