#1B5E84#1B5E84

#1B5E84 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.9% C 0.090 H 238.6°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#1B5E84
RGBrgb(27, 94, 132)
HSLhsl(202, 66%, 31%)
HSVhsv(202, 80%, 52%)
CMYKcmyk(79.5%, 28.8%, 0%, 48.2%)
CIE-LABlab(37.67, -6.70, -27.07)
CIE-LCHlch(37.67, 27.88, 256.09°)
OKLaboklab(45.94% -0.0467 -0.0765)
OKLCHoklch(45.94% 0.09 238.6)
XYZxyz(8.6179, 9.9033, 23.2827)
Luminance0.0990 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5E84 #84411B
analogous
#1B8475 #1B5E84 #1B2984
triadic
#1B5E84 #841B5E #5E841B
tetradic
#1B5E84 #751B84 #84411B #29841B
square
#1B5E84 #751B84 #84411B #29841B
split-complementary
#1B5E84 #841B29 #84751B
monochromatic
#06161E #113A51 #1B5E84 #2582B7 #41A2D8

Accessibility & contrast

On white

7.05
#1B5E84 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.98
#1B5E84 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E84
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5E84#FFFFFF#000000##FFFFFF
##1B5E841.007.052.987.05
#FFFFFF7.051.0021.001.00
#0000002.9821.001.0021.00
##FFFFFF7.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C5E86
Deuteranopia (green-blind)
#3E5483
Tritanopia (blue-blind)
#00686B
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #1b5e84;
/* rgb */ color: rgb(27, 94, 132);
/* oklch */ color: oklch(45.9% 0.090 238.6);
Tailwind
colors: {
  custom: {
    50: '#698ba8',
    500: '#1b5e84',
    950: '#000000',
  },
}
SCSS
$custom: #1b5e84;
$custom-light: #698ba8;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5e84",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 132
  },
  "hsl": {
    "h": 201.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.45939,
    "c": 0.08964,
    "h": 238.6
  },
  "luminance": 0.09904
}

Semantic roles & 50–950 ramp

primary
#1B5E84
secondary
#B76D43
accent
#7C3FE9
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1B5E84

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5E84 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva