#1E537B#1E537B

#1E537B is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.7% C 0.087 H 244.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#1E537B
RGBrgb(30, 83, 123)
HSLhsl(206, 61%, 30%)
HSVhsv(206, 76%, 48%)
CMYKcmyk(75.6%, 32.5%, 0%, 51.8%)
CIE-LABlab(33.76, -2.88, -27.67)
CIE-LCHlch(33.76, 27.82, 264.05°)
OKLaboklab(42.72% -0.0368 -0.0784)
OKLCHoklch(42.72% 0.087 244.9)
XYZxyz(7.2025, 7.8918, 19.8787)
Luminance0.0789 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E537B #7B461E
analogous
#1E7B74 #1E537B #1E257B
triadic
#1E537B #7B1E53 #537B1E
tetradic
#1E537B #741E7B #7B461E #257B1E
square
#1E537B #741E7B #7B461E #257B1E
split-complementary
#1E537B #7B1E25 #7B741E
monochromatic
#061119 #12324A #1E537B #2A74AC #4294D1

Accessibility & contrast

On white

8.14
#1E537B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#1E537B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E537B
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E537B#FFFFFF#000000##FFFFFF
##1E537B1.008.142.588.14
#FFFFFF8.141.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41547D
Deuteranopia (green-blind)
#344B7A
Tritanopia (blue-blind)
#005D61
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1e537b;
/* rgb */ color: rgb(30, 83, 123);
/* oklch */ color: oklch(42.7% 0.087 244.9);
Tailwind
colors: {
  custom: {
    50: '#6783a1',
    500: '#1e537b',
    950: '#000000',
  },
}
SCSS
$custom: #1e537b;
$custom-light: #6783a1;
$custom-dark: #000000;
JSON
{
  "hex": "#1e537b",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 205.806,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.42715,
    "c": 0.08659,
    "h": 244.9
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary
#1E537B
secondary
#AE7346
accent
#8944E4
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0F
muted
#7A7C7E

Preview Lab

Preview with #1E537B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E537B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva