#2B404E#2B404E

#2B404E is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.036 H 238.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B404E
RGB	rgb(43, 64, 78)
HSL	hsl(204, 29%, 24%)
HSV	hsv(204, 45%, 31%)
CMYK	cmyk(44.9%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(25.95, -4.00, -11.08)
CIE-LCH	lch(25.95, 11.78, 250.16°)
OKLab	oklab(36% -0.0189 -0.0306)
OKLCH	oklch(36% 0.036 238.3)
XYZ	xyz(4.2043, 4.7302, 7.8977)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B404E #4E392B

analogous

#2B4E4A #2B404E #2B2E4E

triadic

#2B404E #4E2B40 #404E2B

tetradic

#2B404E #4A2B4E #4E392B #2E4E2B

square

#2B404E #4A2B4E #4E392B #2E4E2B

split-complementary

#2B404E #4E2B2E #4E4A2B

monochromatic

#0B1014 #152027 #2B404E #416075 #56819D

Accessibility & contrast

On white

10.79

#2B404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B404E

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B404E	#FFFFFF	#000000	##FFFFFF
##2B404E	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A404F

Deuteranopia (green-blind)

#353C4E

Tritanopia (blue-blind)

#1E4445

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b404e;
/* rgb */ color: rgb(43, 64, 78);
/* oklch */ color: oklch(36.0% 0.036 238.3);

Tailwind

colors: {
  custom: {
    50: '#66747f',
    500: '#2b404e',
    950: '#000000',
  },
}

SCSS

$custom: #2b404e;
$custom-light: #66747f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b404e",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 204,
    "s": 28.926,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35998,
    "c": 0.03598,
    "h": 238.3
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary

#2B404E

secondary

#806655

accent

#8A63C5

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #2B404E

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

Preview Lab → · Contrast checker → · Palette generator →