#1B5E82#1B5E82

#1B5E82 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.8% C 0.087 H 237.1°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#1B5E82
RGBrgb(27, 94, 130)
HSLhsl(201, 66%, 31%)
HSVhsv(201, 79%, 51%)
CMYKcmyk(79.2%, 27.7%, 0%, 49%)
CIE-LABlab(37.57, -7.46, -26.00)
CIE-LCHlch(37.57, 27.05, 253.98°)
OKLaboklab(45.83% -0.0474 -0.0734)
OKLCHoklch(45.83% 0.087 237.1)
XYZxyz(8.4824, 9.8491, 22.5688)
Luminance0.0985 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5E82 #823F1B
analogous
#1B8272 #1B5E82 #1B2A82
triadic
#1B5E82 #821B5E #5E821B
tetradic
#1B5E82 #721B82 #823F1B #2A821B
square
#1B5E82 #721B82 #823F1B #2A821B
split-complementary
#1B5E82 #821B2A #82721B
monochromatic
#06151D #10394F #1B5E82 #2683B5 #40A2D7

Accessibility & contrast

On white

7.07
#1B5E82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#1B5E82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E82
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5E82#FFFFFF#000000##FFFFFF
##1B5E821.007.072.977.07
#FFFFFF7.071.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D5E84
Deuteranopia (green-blind)
#3F5481
Tritanopia (blue-blind)
#00676A
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #1b5e82;
/* rgb */ color: rgb(27, 94, 130);
/* oklch */ color: oklch(45.8% 0.087 237.1);
Tailwind
colors: {
  custom: {
    50: '#688ba6',
    500: '#1b5e82',
    950: '#000000',
  },
}
SCSS
$custom: #1b5e82;
$custom-light: #688ba6;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5e82",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 130
  },
  "hsl": {
    "h": 200.971,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45828,
    "c": 0.0874,
    "h": 237.1
  },
  "luminance": 0.0985
}

Semantic roles & 50–950 ramp

primary
#1B5E82
secondary
#B66B43
accent
#7A3FE9
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1B5E82

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5E82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva