#2B3F4E#2B3F4E

#2B3F4E is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.036 H 241.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F4E
RGB	rgb(43, 63, 78)
HSL	hsl(206, 29%, 24%)
HSV	hsv(206, 45%, 31%)
CMYK	cmyk(44.9%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(25.62, -3.35, -11.59)
CIE-LCH	lch(25.62, 12.06, 253.89°)
OKLab	oklab(35.73% -0.0174 -0.032)
OKLCH	oklch(35.73% 0.036 241.4)
XYZ	xyz(4.1485, 4.6184, 7.8791)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F4E #4E3A2B

analogous

#2B4E4B #2B3F4E #2B2D4E

triadic

#2B3F4E #4E2B3F #3F4E2B

tetradic

#2B3F4E #4B2B4E #4E3A2B #2D4E2B

square

#2B3F4E #4B2B4E #4E3A2B #2D4E2B

split-complementary

#2B3F4E #4E2B2D #4E4B2B

monochromatic

#0B1014 #151F27 #2B3F4E #415F75 #567F9D

Accessibility & contrast

On white

10.92

#2B3F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F4E

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F4E	#FFFFFF	#000000	##FFFFFF
##2B3F4E	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393F4F

Deuteranopia (green-blind)

#343B4E

Tritanopia (blue-blind)

#1E4344

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3f4e;
/* rgb */ color: rgb(43, 63, 78);
/* oklch */ color: oklch(35.7% 0.036 241.4);

Tailwind

colors: {
  custom: {
    50: '#66747f',
    500: '#2b3f4e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f4e;
$custom-light: #66747f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f4e",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 205.714,
    "s": 28.926,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35734,
    "c": 0.03647,
    "h": 241.4
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#2B3F4E

secondary

#806755

accent

#8D63C5

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #2B3F4E

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

Preview Lab → · Contrast checker → · Palette generator →