#2B3D64#2B3D64

#2B3D64 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.072 H 264.4°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D64
RGB	rgb(43, 61, 100)
HSL	hsl(221, 40%, 28%)
HSV	hsv(221, 57%, 39%)
CMYK	cmyk(57%, 39%, 0%, 60.8%)
CIE-LAB	lab(26.07, 5.56, -25.22)
CIE-LCH	lch(26.07, 25.82, 282.43°)
OKLab	oklab(36.45% -0.007 -0.0713)
OKLCH	oklch(36.45% 0.072 264.4)
XYZ	xyz(4.9645, 4.7708, 12.7134)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D64 #64522B

analogous

#2B5964 #2B3D64 #362B64

triadic

#2B3D64 #642B3D #3D642B

tetradic

#2B3D64 #642B59 #64522B #2B6436

square

#2B3D64 #642B59 #64522B #2B6436

split-complementary

#2B3D64 #64362B #59642B

monochromatic

#090D15 #192339 #2B3D64 #3D578F #5473B5

Accessibility & contrast

On white

10.75

#2B3D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B3D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D64

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D64	#FFFFFF	#000000	##FFFFFF
##2B3D64	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4166

Deuteranopia (green-blind)

#273B63

Tritanopia (blue-blind)

#0D454B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3d64;
/* rgb */ color: rgb(43, 61, 100);
/* oklch */ color: oklch(36.5% 0.072 264.4);

Tailwind

colors: {
  custom: {
    50: '#697290',
    500: '#2b3d64',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d64;
$custom-light: #697290;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d64",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 221.053,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36451,
    "c": 0.07163,
    "h": 264.4
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#2B3D64

secondary

#968155

accent

#AA58D0

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #2B3D64

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

Preview Lab → · Contrast checker → · Palette generator →