#2B4064#2B4064

#2B4064 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.2% C 0.068 H 260.7°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B4064
RGB	rgb(43, 64, 100)
HSL	hsl(218, 40%, 28%)
HSV	hsv(218, 57%, 39%)
CMYK	cmyk(57%, 36%, 0%, 60.8%)
CIE-LAB	lab(27.02, 3.52, -23.72)
CIE-LCH	lch(27.02, 23.98, 278.45°)
OKLab	oklab(37.19% -0.011 -0.0669)
OKLCH	oklch(37.19% 0.068 260.7)
XYZ	xyz(5.1291, 5.1001, 12.7683)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4064 #644F2B

analogous

#2B5C64 #2B4064 #322B64

triadic

#2B4064 #642B40 #40642B

tetradic

#2B4064 #642B5C #644F2B #2B6432

square

#2B4064 #642B5C #644F2B #2B6432

split-complementary

#2B4064 #64322B #5C642B

monochromatic

#090E15 #192539 #2B4064 #3D5B8F #5478B5

Accessibility & contrast

On white

10.40

#2B4064 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B4064 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4064

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4064	#FFFFFF	#000000	##FFFFFF
##2B4064	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324366

Deuteranopia (green-blind)

#2B3D63

Tritanopia (blue-blind)

#0C484D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b4064;
/* rgb */ color: rgb(43, 64, 100);
/* oklch */ color: oklch(37.2% 0.068 260.7);

Tailwind

colors: {
  custom: {
    50: '#697490',
    500: '#2b4064',
    950: '#000000',
  },
}

SCSS

$custom: #2b4064;
$custom-light: #697490;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4064",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 100
  },
  "hsl": {
    "h": 217.895,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37186,
    "c": 0.0678,
    "h": 260.7
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#2B4064

secondary

#967E55

accent

#A458D0

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #2B4064

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

Preview Lab → · Contrast checker → · Palette generator →