#1E638B#1E638B

#1E638B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.7% C 0.093 H 239.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#1E638B
RGBrgb(30, 99, 139)
HSLhsl(202, 64%, 33%)
HSVhsv(202, 78%, 55%)
CMYKcmyk(78.4%, 28.8%, 0%, 45.5%)
CIE-LABlab(39.69, -6.72, -28.15)
CIE-LCHlch(39.69, 28.94, 256.56°)
OKLaboklab(47.68% -0.0478 -0.0796)
OKLCHoklch(47.68% 0.093 239)
XYZxyz(9.6556, 11.0626, 26.0475)
Luminance0.1106 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E638B #8B461E
analogous
#1E8B7C #1E638B #1E2D8B
triadic
#1E638B #8B1E63 #638B1E
tetradic
#1E638B #7C1E8B #8B461E #2D8B1E
square
#1E638B #7C1E8B #8B461E #2D8B1E
split-complementary
#1E638B #8B1E2D #8B7C1E
monochromatic
#081B26 #133F59 #1E638B #2987BD #4BA4D8

Accessibility & contrast

On white

6.54
#1E638B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#1E638B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E638B
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E638B#FFFFFF#000000##FFFFFF
##1E638B1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50638D
Deuteranopia (green-blind)
#41598A
Tritanopia (blue-blind)
#006D71
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1e638b;
/* rgb */ color: rgb(30, 99, 139);
/* oklch */ color: oklch(47.7% 0.093 239.0);
Tailwind
colors: {
  custom: {
    50: '#6b8fad',
    500: '#1e638b',
    950: '#000000',
  },
}
SCSS
$custom: #1e638b;
$custom-light: #6b8fad;
$custom-dark: #000000;
JSON
{
  "hex": "#1e638b",
  "rgb": {
    "r": 30,
    "g": 99,
    "b": 139
  },
  "hsl": {
    "h": 202.018,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.47675,
    "c": 0.09282,
    "h": 239
  },
  "luminance": 0.11064
}

Semantic roles & 50–950 ramp

primary
#1E638B
secondary
#BB734A
accent
#7E40E7
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1E638B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E638B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva