#1C5B85#1C5B85

#1C5B85 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.093 H 242.5°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX#1C5B85
RGBrgb(28, 91, 133)
HSLhsl(204, 65%, 32%)
HSVhsv(204, 79%, 52%)
CMYKcmyk(78.9%, 31.6%, 0%, 47.8%)
CIE-LABlab(36.78, -4.34, -29.06)
CIE-LCHlch(36.78, 29.38, 261.50°)
OKLaboklab(45.26% -0.0428 -0.0824)
OKLCHoklch(45.26% 0.093 242.5)
XYZxyz(8.4520, 9.4215, 23.5588)
Luminance0.0942 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5B85 #85461C
analogous
#1C857B #1C5B85 #1C2785
triadic
#1C5B85 #851C5B #5B851C
tetradic
#1C5B85 #7B1C85 #85461C #27851C
square
#1C5B85 #7B1C85 #85461C #27851C
split-complementary
#1C5B85 #851C27 #857B1C
monochromatic
#071620 #113852 #1C5B85 #277EB8 #449CD8

Accessibility & contrast

On white

7.28
#1C5B85 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#1C5B85 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B85
7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5B85#FFFFFF#000000##FFFFFF
##1C5B851.007.282.887.28
#FFFFFF7.281.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475C87
Deuteranopia (green-blind)
#395284
Tritanopia (blue-blind)
#00656A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1c5b85;
/* rgb */ color: rgb(28, 91, 133);
/* oklch */ color: oklch(45.3% 0.093 242.5);
Tailwind
colors: {
  custom: {
    50: '#6989a8',
    500: '#1c5b85',
    950: '#000000',
  },
}
SCSS
$custom: #1c5b85;
$custom-light: #6989a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5b85",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 133
  },
  "hsl": {
    "h": 204,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45261,
    "c": 0.09283,
    "h": 242.5
  },
  "luminance": 0.09423
}

Semantic roles & 50–950 ramp

primary
#1C5B85
secondary
#B87345
accent
#8340E8
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1C5B85

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5B85 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva