#1C598F#1C598F

#1C598F is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.107 H 249.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX#1C598F
RGBrgb(28, 89, 143)
HSLhsl(208, 67%, 34%)
HSVhsv(208, 80%, 56%)
CMYKcmyk(80.4%, 37.8%, 0%, 43.9%)
CIE-LABlab(36.69, 0.83, -35.29)
CIE-LCHlch(36.69, 35.30, 271.35°)
OKLaboklab(45.37% -0.0379 -0.1006)
OKLCHoklch(45.37% 0.107 249.4)
XYZxyz(9.0073, 9.3737, 27.3159)
Luminance0.0938 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C598F #8F521C
analogous
#1C8F8B #1C598F #1C1F8F
triadic
#1C598F #8F1C59 #598F1C
tetradic
#1C598F #8B1C8F #8F521C #1F8F1C
square
#1C598F #8B1C8F #8F521C #1F8F1C
split-complementary
#1C598F #8F1C1F #8F8B1C
monochromatic
#081929 #12395C #1C598F #2679C2 #4A97DC

Accessibility & contrast

On white

7.30
#1C598F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#1C598F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C598F
7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C598F#FFFFFF#000000##FFFFFF
##1C598F1.007.302.877.30
#FFFFFF7.301.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405C91
Deuteranopia (green-blind)
#2E528E
Tritanopia (blue-blind)
#00666D
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1c598f;
/* rgb */ color: rgb(28, 89, 143);
/* oklch */ color: oklch(45.4% 0.107 249.4);
Tailwind
colors: {
  custom: {
    50: '#6b87b0',
    500: '#1c598f',
    950: '#000000',
  },
}
SCSS
$custom: #1c598f;
$custom-light: #6b87b0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c598f",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 143
  },
  "hsl": {
    "h": 208.174,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.45368,
    "c": 0.10746,
    "h": 249.4
  },
  "luminance": 0.09375
}

Semantic roles & 50–950 ramp

primary
#1C598F
secondary
#BE8049
accent
#8F3EEA
background
#F6F8FA
surface
#ECEFF5
border
#C7CACF
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1C598F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C598F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva