#2B445B#2B445B

#2B445B is a dark, muted cyan. Relative luminance 0.054; OKLCH L 37.7% C 0.050 H 247.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B445B
RGB	rgb(43, 68, 91)
HSL	hsl(209, 36%, 26%)
HSV	hsv(209, 53%, 36%)
CMYK	cmyk(52.7%, 25.3%, 0%, 64.3%)
CIE-LAB	lab(27.85, -2.29, -16.62)
CIE-LCH	lch(27.85, 16.78, 262.17°)
OKLab	oklab(37.69% -0.0194 -0.0464)
OKLCH	oklch(37.69% 0.05 247.3)
XYZ	xyz(4.9511, 5.4028, 10.6774)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B445B #5B422B

analogous

#2B5B5A #2B445B #2B2C5B

triadic

#2B445B #5B2B44 #445B2B

tetradic

#2B445B #5A2B5B #5B422B #2C5B2B

square

#2B445B #5A2B5B #5B422B #2C5B2B

split-complementary

#2B445B #5B2B2C #5B5A2B

monochromatic

#0A1015 #172531 #2B445B #3F6385 #5382AE

Accessibility & contrast

On white

10.09

#2B445B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B445B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B445B

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B445B	#FFFFFF	#000000	##FFFFFF
##2B445B	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B445C

Deuteranopia (green-blind)

#34405B

Tritanopia (blue-blind)

#14494C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b445b;
/* rgb */ color: rgb(43, 68, 91);
/* oklch */ color: oklch(37.7% 0.050 247.3);

Tailwind

colors: {
  custom: {
    50: '#687789',
    500: '#2b445b',
    950: '#000000',
  },
}

SCSS

$custom: #2b445b;
$custom-light: #687789;
$custom-dark: #000000;

JSON

{
  "hex": "#2b445b",
  "rgb": {
    "r": 43,
    "g": 68,
    "b": 91
  },
  "hsl": {
    "h": 208.75,
    "s": 35.821,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3769,
    "c": 0.05026,
    "h": 247.3
  },
  "luminance": 0.05403
}

Semantic roles & 50–950 ramp

primary

#2B445B

secondary

#8D7055

accent

#925CCC

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #2B445B

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

Preview Lab → · Contrast checker → · Palette generator →