#2B4683#2B4683

#2B4683 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.107 H 264.2°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B4683
RGB	rgb(43, 70, 131)
HSL	hsl(222, 51%, 34%)
HSV	hsv(222, 67%, 51%)
CMYK	cmyk(67.2%, 46.6%, 0%, 48.6%)
CIE-LAB	lab(30.72, 10.99, -37.42)
CIE-LCH	lch(30.72, 39.01, 286.37°)
OKLab	oklab(40.65% -0.0108 -0.1069)
OKLCH	oklch(40.65% 0.107 264.2)
XYZ	xyz(7.2817, 6.5319, 22.3454)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4683 #83682B

analogous

#2B7283 #2B4683 #3C2B83

triadic

#2B4683 #832B46 #46832B

tetradic

#2B4683 #832B72 #83682B #2B833C

square

#2B4683 #832B72 #83682B #2B833C

split-complementary

#2B4683 #833C2B #72832B

monochromatic

#0D1527 #1C2D55 #2B4683 #3A5FB1 #5E7FCA

Accessibility & contrast

On white

9.10

#2B4683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B4683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4683

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4683	#FFFFFF	#000000	##FFFFFF
##2B4683	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284D85

Deuteranopia (green-blind)

#194582

Tritanopia (blue-blind)

#00545E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b4683;
/* rgb */ color: rgb(43, 70, 131);
/* oklch */ color: oklch(40.6% 0.107 264.2);

Tailwind

colors: {
  custom: {
    50: '#6e79a7',
    500: '#2b4683',
    950: '#000000',
  },
}

SCSS

$custom: #2b4683;
$custom-light: #6e79a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4683",
  "rgb": {
    "r": 43,
    "g": 70,
    "b": 131
  },
  "hsl": {
    "h": 221.591,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40647,
    "c": 0.10749,
    "h": 264.2
  },
  "luminance": 0.06533
}

Semantic roles & 50–950 ramp

primary

#2B4683

secondary

#B0965A

accent

#AF4EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4683

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

Preview Lab → · Contrast checker → · Palette generator →