#1C5B87#1C5B87

#1C5B87 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.4% C 0.095 H 243.7°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#1C5B87
RGBrgb(28, 91, 135)
HSLhsl(205, 66%, 32%)
HSVhsv(205, 79%, 53%)
CMYKcmyk(79.3%, 32.6%, 0%, 47.1%)
CIE-LABlab(36.89, -3.57, -30.12)
CIE-LCHlch(36.89, 30.33, 263.24°)
OKLaboklab(45.38% -0.0422 -0.0854)
OKLCHoklch(45.38% 0.095 243.7)
XYZxyz(8.5914, 9.4773, 24.2935)
Luminance0.0948 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5B87 #87481C
analogous
#1C877E #1C5B87 #1C2687
triadic
#1C5B87 #871C5B #5B871C
tetradic
#1C5B87 #7E1C87 #87481C #26871C
square
#1C5B87 #7E1C87 #87481C #26871C
split-complementary
#1C5B87 #871C26 #877E1C
monochromatic
#071722 #113954 #1C5B87 #277DBA #459CD8

Accessibility & contrast

On white

7.25
#1C5B87 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#1C5B87 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B87
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5B87#FFFFFF#000000##FFFFFF
##1C5B871.007.252.907.25
#FFFFFF7.251.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475C89
Deuteranopia (green-blind)
#385286
Tritanopia (blue-blind)
#00666B
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1c5b87;
/* rgb */ color: rgb(28, 91, 135);
/* oklch */ color: oklch(45.4% 0.095 243.7);
Tailwind
colors: {
  custom: {
    50: '#6989aa',
    500: '#1c5b87',
    950: '#000000',
  },
}
SCSS
$custom: #1c5b87;
$custom-light: #6989aa;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5b87",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 135
  },
  "hsl": {
    "h": 204.673,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.45378,
    "c": 0.09527,
    "h": 243.7
  },
  "luminance": 0.09478
}

Semantic roles & 50–950 ramp

primary
#1C5B87
secondary
#BA7545
accent
#853FE9
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1C5B87

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5B87 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva