#1B7488#1B7488

#1B7488 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.8% C 0.085 H 217.0°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#1B7488
RGBrgb(27, 116, 136)
HSLhsl(191, 67%, 32%)
HSVhsv(191, 80%, 53%)
CMYKcmyk(80.1%, 14.7%, 0%, 46.7%)
CIE-LABlab(44.94, -17.99, -18.21)
CIE-LCHlch(44.94, 25.60, 225.34°)
OKLaboklab(51.82% -0.0676 -0.0509)
OKLCHoklch(51.82% 0.085 217)
XYZxyz(11.1394, 14.5000, 25.4995)
Luminance0.1450 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B7488 #882F1B
analogous
#1B8866 #1B7488 #1B3E88
triadic
#1B7488 #881B74 #74881B
tetradic
#1B7488 #661B88 #882F1B #3E881B
square
#1B7488 #661B88 #882F1B #3E881B
split-complementary
#1B7488 #881B3E #88661B
monochromatic
#071D22 #114855 #1B7488 #25A0BB #44BEDA

Accessibility & contrast

On white

5.38
#1B7488 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.90
#1B7488 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7488
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B7488#FFFFFF#000000##FFFFFF
##1B74881.005.383.905.38
#FFFFFF5.381.0021.001.00
#0000003.9021.001.0021.00
##FFFFFF5.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#677089
Deuteranopia (green-blind)
#586688
Tritanopia (blue-blind)
#007B7A
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #1b7488;
/* rgb */ color: rgb(27, 116, 136);
/* oklch */ color: oklch(51.8% 0.085 217.0);
Tailwind
colors: {
  custom: {
    50: '#6b9caa',
    500: '#1b7488',
    950: '#000000',
  },
}
SCSS
$custom: #1b7488;
$custom-light: #6b9caa;
$custom-dark: #000000;
JSON
{
  "hex": "#1b7488",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 136
  },
  "hsl": {
    "h": 191.009,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.08461,
    "h": 217
  },
  "luminance": 0.14501
}

Semantic roles & 50–950 ramp

primary
#1B7488
secondary
#BB5A44
accent
#5E3EEA
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #1B7488

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

Preview Lab → · Contrast checker → · Palette generator →

#1B7488 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva