#1B5075#1B5075

#1B5075 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.5% C 0.083 H 243.1°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#1B5075
RGBrgb(27, 80, 117)
HSLhsl(205, 63%, 28%)
HSVhsv(205, 77%, 46%)
CMYKcmyk(76.9%, 31.6%, 0%, 54.1%)
CIE-LABlab(32.38, -3.74, -26.12)
CIE-LCHlch(32.38, 26.38, 261.85°)
OKLaboklab(41.5% -0.0375 -0.0739)
OKLCHoklch(41.5% 0.083 243.1)
XYZxyz(6.5303, 7.2539, 17.8822)
Luminance0.0726 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5075 #75401B
analogous
#1B756D #1B5075 #1B2375
triadic
#1B5075 #751B50 #50751B
tetradic
#1B5075 #6D1B75 #75401B #23751B
square
#1B5075 #6D1B75 #75401B #23751B
split-complementary
#1B5075 #751B23 #756D1B
monochromatic
#061119 #102E43 #1B5075 #2672A7 #3993D1

Accessibility & contrast

On white

8.57
#1B5075 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#1B5075 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5075
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5075#FFFFFF#000000##FFFFFF
##1B50751.008.572.458.57
#FFFFFF8.571.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5177
Deuteranopia (green-blind)
#334874
Tritanopia (blue-blind)
#00595D
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1b5075;
/* rgb */ color: rgb(27, 80, 117);
/* oklch */ color: oklch(41.5% 0.083 243.1);
Tailwind
colors: {
  custom: {
    50: '#65809d',
    500: '#1b5075',
    950: '#000000',
  },
}
SCSS
$custom: #1b5075;
$custom-light: #65809d;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5075",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 117
  },
  "hsl": {
    "h": 204.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41497,
    "c": 0.08289,
    "h": 243.1
  },
  "luminance": 0.07255
}

Semantic roles & 50–950 ramp

primary
#1B5075
secondary
#A96D42
accent
#8542E6
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #1B5075

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5075 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva