#2B455B#2B455B

#2B455B is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.049 H 245.1°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX#2B455B
RGBrgb(43, 69, 91)
HSLhsl(208, 36%, 26%)
HSVhsv(208, 53%, 36%)
CMYKcmyk(52.7%, 24.2%, 0%, 64.3%)
CIE-LABlab(28.18, -2.93, -16.11)
CIE-LCHlch(28.18, 16.38, 259.68°)
OKLaboklab(37.95% -0.0208 -0.0449)
OKLCHoklch(37.95% 0.049 245.1)
XYZxyz(5.0121, 5.5248, 10.6978)
Luminance0.0553 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B455B #5B412B
analogous
#2B5B59 #2B455B #2B2D5B
triadic
#2B455B #5B2B45 #455B2B
tetradic
#2B455B #592B5B #5B412B #2D5B2B
square
#2B455B #592B5B #5B412B #2D5B2B
split-complementary
#2B455B #5B2B2D #5B592B
monochromatic
#0A1015 #172531 #2B455B #3F6585 #5384AE

Accessibility & contrast

On white

9.98
#2B455B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.11
#2B455B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B455B
9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B455B#FFFFFF#000000##FFFFFF
##2B455B1.009.982.119.98
#FFFFFF9.981.0021.001.00
#0000002.1121.001.0021.00
##FFFFFF9.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C455C
Deuteranopia (green-blind)
#36405B
Tritanopia (blue-blind)
#144A4C
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #2b455b;
/* rgb */ color: rgb(43, 69, 91);
/* oklch */ color: oklch(37.9% 0.049 245.1);
Tailwind
colors: {
  custom: {
    50: '#687889',
    500: '#2b455b',
    950: '#000000',
  },
}
SCSS
$custom: #2b455b;
$custom-light: #687889;
$custom-dark: #000000;
JSON
{
  "hex": "#2b455b",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 91
  },
  "hsl": {
    "h": 207.5,
    "s": 35.821,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37948,
    "c": 0.04949,
    "h": 245.1
  },
  "luminance": 0.05525
}

Semantic roles & 50–950 ramp

primary
#2B455B
secondary
#8D6F55
accent
#8F5CCC
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#06090B
muted
#7A7B7C

Preview Lab

Preview with #2B455B

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

Preview Lab → · Contrast checker → · Palette generator →

#2B455B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva