#2B4D64#2B4D64

#2B4D64 is a dark, muted cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.056 H 239.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D64
RGB	rgb(43, 77, 100)
HSL	hsl(204, 40%, 28%)
HSV	hsv(204, 57%, 39%)
CMYK	cmyk(57%, 23%, 0%, 60.8%)
CIE-LAB	lab(31.21, -4.96, -17.19)
CIE-LCH	lch(31.21, 17.89, 253.90°)
OKLab	oklab(40.48% -0.028 -0.048)
OKLCH	oklch(40.48% 0.056 239.7)
XYZ	xyz(5.9496, 6.7409, 13.0417)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D64 #64422B

analogous

#2B645E #2B4D64 #2B3064

triadic

#2B4D64 #642B4D #4D642B

tetradic

#2B4D64 #5E2B64 #64422B #30642B

square

#2B4D64 #5E2B64 #64422B #30642B

split-complementary

#2B4D64 #642B30 #645E2B

monochromatic

#091015 #192C39 #2B4D64 #3D6E8F #548EB5

Accessibility & contrast

On white

8.94

#2B4D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2B4D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D64

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D64	#FFFFFF	#000000	##FFFFFF
##2B4D64	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D65

Deuteranopia (green-blind)

#3B4764

Tritanopia (blue-blind)

#065355

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b4d64;
/* rgb */ color: rgb(43, 77, 100);
/* oklch */ color: oklch(40.5% 0.056 239.7);

Tailwind

colors: {
  custom: {
    50: '#697e90',
    500: '#2b4d64',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d64;
$custom-light: #697e90;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d64",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 204.211,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40477,
    "c": 0.05557,
    "h": 239.7
  },
  "luminance": 0.06741
}

Semantic roles & 50–950 ramp

primary

#2B4D64

secondary

#966F55

accent

#8858D0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #2B4D64

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

Preview Lab → · Contrast checker → · Palette generator →