#2B404D#2B404D

#2B404D is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.035 H 236.2°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B404D
RGB	rgb(43, 64, 77)
HSL	hsl(203, 28%, 24%)
HSV	hsv(203, 44%, 30%)
CMYK	cmyk(44.2%, 16.9%, 0%, 69.8%)
CIE-LAB	lab(25.91, -4.32, -10.49)
CIE-LCH	lch(25.91, 11.34, 247.63°)
OKLab	oklab(35.95% -0.0194 -0.0289)
OKLCH	oklch(35.95% 0.035 236.2)
XYZ	xyz(4.1688, 4.7160, 7.7103)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B404D #4D382B

analogous

#2B4D49 #2B404D #2B2F4D

triadic

#2B404D #4D2B40 #404D2B

tetradic

#2B404D #492B4D #4D382B #2F4D2B

square

#2B404D #492B4D #4D382B #2F4D2B

split-complementary

#2B404D #4D2B2F #4D492B

monochromatic

#0B1014 #151F26 #2B404D #416174 #57819C

Accessibility & contrast

On white

10.81

#2B404D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B404D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B404D

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B404D	#FFFFFF	#000000	##FFFFFF
##2B404D	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3F4E

Deuteranopia (green-blind)

#353C4D

Tritanopia (blue-blind)

#1E4344

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b404d;
/* rgb */ color: rgb(43, 64, 77);
/* oklch */ color: oklch(35.9% 0.035 236.2);

Tailwind

colors: {
  custom: {
    50: '#66747e',
    500: '#2b404d',
    950: '#000000',
  },
}

SCSS

$custom: #2b404d;
$custom-light: #66747e;
$custom-dark: #000000;

JSON

{
  "hex": "#2b404d",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 202.941,
    "s": 28.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3595,
    "c": 0.03481,
    "h": 236.2
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#2B404D

secondary

#7F6555

accent

#8863C5

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #2B404D

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

Preview Lab → · Contrast checker → · Palette generator →