#2B5366#2B5366

#2B5366 is a dark, muted cyan. Relative luminance 0.077; OKLCH L 42.1% C 0.055 H 230.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B5366
RGB	rgb(43, 83, 102)
HSL	hsl(199, 41%, 28%)
HSV	hsv(199, 58%, 40%)
CMYK	cmyk(57.8%, 18.6%, 0%, 60%)
CIE-LAB	lab(33.26, -8.00, -15.30)
CIE-LCH	lch(33.26, 17.26, 242.38°)
OKLab	oklab(42.14% -0.035 -0.0426)
OKLCH	oklch(42.14% 0.055 230.6)
XYZ	xyz(6.4869, 7.6588, 13.7043)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5366 #663E2B

analogous

#2B665B #2B5366 #2B3566

triadic

#2B5366 #662B53 #53662B

tetradic

#2B5366 #5B2B66 #663E2B #35662B

square

#2B5366 #5B2B66 #663E2B #35662B

split-complementary

#2B5366 #662B35 #665B2B

monochromatic

#091216 #19303B #2B5366 #3D7691 #5497B7

Accessibility & contrast

On white

8.29

#2B5366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2B5366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5366

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5366	#FFFFFF	#000000	##FFFFFF
##2B5366	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495267

Deuteranopia (green-blind)

#414B66

Tritanopia (blue-blind)

#005859

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b5366;
/* rgb */ color: rgb(43, 83, 102);
/* oklch */ color: oklch(42.1% 0.055 230.6);

Tailwind

colors: {
  custom: {
    50: '#6a8391',
    500: '#2b5366',
    950: '#000000',
  },
}

SCSS

$custom: #2b5366;
$custom-light: #6a8391;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5366",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 199.322,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.42135,
    "c": 0.05509,
    "h": 230.6
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#2B5366

secondary

#986A55

accent

#7E57D1

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#070A0C

muted

#7A7C7D

Preview Lab

Preview with #2B5366

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

Preview Lab → · Contrast checker → · Palette generator →