#1B453E#1B453E

#1B453E is a dark, muted teal. Relative luminance 0.048; OKLCH L 35.8% C 0.049 H 180.9°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX#1B453E
RGBrgb(27, 69, 62)
HSLhsl(170, 44%, 19%)
HSVhsv(170, 61%, 27%)
CMYKcmyk(60.9%, 0%, 10.1%, 72.9%)
CIE-LABlab(26.26, -16.64, -0.19)
CIE-LCHlch(26.26, 16.64, 180.66°)
OKLaboklab(35.83% -0.0485 -0.0008)
OKLCHoklch(35.83% 0.049 180.9)
XYZxyz(3.4492, 4.8367, 5.3083)
Luminance0.0484 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B453E #451B22
analogous
#1B4529 #1B453E #1B3745
triadic
#1B453E #3E1B45 #453E1B
tetradic
#1B453E #291B45 #451B22 #37451B
square
#1B453E #291B45 #451B22 #37451B
split-complementary
#1B453E #451B37 #45291B
monochromatic
#091614 #0A1916 #1B453E #2C7166 #3D9D8D

Accessibility & contrast

On white

10.67
#1B453E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#1B453E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B453E
10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B453E#FFFFFF#000000##FFFFFF
##1B453E1.0010.671.9710.67
#FFFFFF10.671.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42413E
Deuteranopia (green-blind)
#3B3C3F
Tritanopia (blue-blind)
#024643
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #1b453e;
/* rgb */ color: rgb(27, 69, 62);
/* oklch */ color: oklch(35.8% 0.049 180.9);
Tailwind
colors: {
  custom: {
    50: '#5c7973',
    500: '#1b453e',
    950: '#000000',
  },
}
SCSS
$custom: #1b453e;
$custom-light: #5c7973;
$custom-dark: #000000;
JSON
{
  "hex": "#1b453e",
  "rgb": {
    "r": 27,
    "g": 69,
    "b": 62
  },
  "hsl": {
    "h": 170,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.35827,
    "c": 0.04852,
    "h": 180.9
  },
  "luminance": 0.04837
}

Semantic roles & 50–950 ramp

primary
#1B453E
secondary
#7B414B
accent
#546AD3
background
#F5F7F6
surface
#E9EDEC
border
#C5C8C7
text
#040908
muted
#797B7B

Preview Lab

Preview with #1B453E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B453E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva