#2B4B59#2B4B59

#2B4B59 is a dark, muted cyan. Relative luminance 0.063; OKLCH L 39.4% C 0.045 H 227.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#2B4B59
RGB	rgb(43, 75, 89)
HSL	hsl(198, 35%, 26%)
HSV	hsv(198, 52%, 35%)
CMYK	cmyk(51.7%, 15.7%, 0%, 65.1%)
CIE-LAB	lab(30.08, -7.40, -11.92)
CIE-LCH	lch(30.08, 14.03, 238.17°)
OKLab	oklab(39.42% -0.0299 -0.033)
OKLCH	oklch(39.42% 0.045 227.8)
XYZ	xyz(5.3149, 6.2666, 10.3788)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4B59 #59392B

analogous

#2B5950 #2B4B59 #2B3459

triadic

#2B4B59 #592B4B #4B592B

tetradic

#2B4B59 #502B59 #59392B #34592B

square

#2B4B59 #502B59 #59392B #34592B

split-complementary

#2B4B59 #592B34 #59502B

monochromatic

#0A1115 #172830 #2B4B59 #3F6E82 #5391AC

Accessibility & contrast

On white

9.32

#2B4B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2B4B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4B59

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4B59	#FFFFFF	#000000	##FFFFFF
##2B4B59	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444A5A

Deuteranopia (green-blind)

#3D4559

Tritanopia (blue-blind)

#144F4F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4b59;
/* rgb */ color: rgb(43, 75, 89);
/* oklch */ color: oklch(39.4% 0.045 227.8);

Tailwind

colors: {
  custom: {
    50: '#687d88',
    500: '#2b4b59',
    950: '#000000',
  },
}

SCSS

$custom: #2b4b59;
$custom-light: #687d88;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4b59",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 89
  },
  "hsl": {
    "h": 198.261,
    "s": 34.848,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3942,
    "c": 0.04452,
    "h": 227.8
  },
  "luminance": 0.06267
}

Semantic roles & 50–950 ramp

primary

#2B4B59

secondary

#8B6555

accent

#7E5DCB

background

#F6F7F8

surface

#EBEEEF

border

#C6C9CA

text

#06090B

muted

#7A7B7C

Preview Lab

Preview with #2B4B59

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

Preview Lab → · Contrast checker → · Palette generator →