#2B404F#2B404F

#2B404F is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.037 H 240.2°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B404F
RGB	rgb(43, 64, 79)
HSL	hsl(205, 30%, 24%)
HSV	hsv(205, 46%, 31%)
CMYK	cmyk(45.6%, 19%, 0%, 69%)
CIE-LAB	lab(25.99, -3.67, -11.67)
CIE-LCH	lch(25.99, 12.23, 252.52°)
OKLab	oklab(36.05% -0.0185 -0.0323)
OKLCH	oklch(36.05% 0.037 240.2)
XYZ	xyz(4.2405, 4.7446, 8.0880)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B404F #4F3A2B

analogous

#2B4F4C #2B404F #2B2E4F

triadic

#2B404F #4F2B40 #404F2B

tetradic

#2B404F #4C2B4F #4F3A2B #2E4F2B

square

#2B404F #4C2B4F #4F3A2B #2E4F2B

split-complementary

#2B404F #4F2B2E #4F4C2B

monochromatic

#0B1014 #152027 #2B404F #416077 #56809E

Accessibility & contrast

On white

10.77

#2B404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B404F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B404F	#FFFFFF	#000000	##FFFFFF
##2B404F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4050

Deuteranopia (green-blind)

#353C4F

Tritanopia (blue-blind)

#1D4445

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b404f;
/* rgb */ color: rgb(43, 64, 79);
/* oklch */ color: oklch(36.0% 0.037 240.2);

Tailwind

colors: {
  custom: {
    50: '#667480',
    500: '#2b404f',
    950: '#000000',
  },
}

SCSS

$custom: #2b404f;
$custom-light: #667480;
$custom-dark: #000000;

JSON

{
  "hex": "#2b404f",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 205,
    "s": 29.508,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36046,
    "c": 0.0372,
    "h": 240.2
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#2B404F

secondary

#816755

accent

#8C62C6

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #2B404F

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

Preview Lab → · Contrast checker → · Palette generator →