#1E538B#1E538B

#1E538B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.108 H 252.7°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX#1E538B
RGBrgb(30, 83, 139)
HSLhsl(211, 64%, 33%)
HSVhsv(211, 78%, 55%)
CMYKcmyk(78.4%, 40.3%, 0%, 45.5%)
CIE-LABlab(34.65, 3.39, -36.10)
CIE-LCHlch(34.65, 36.25, 275.36°)
OKLaboklab(43.71% -0.0321 -0.103)
OKLCHoklch(43.71% 0.108 252.7)
XYZxyz(8.2871, 8.3256, 25.5913)
Luminance0.0833 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E538B #8B561E
analogous
#1E898B #1E538B #201E8B
triadic
#1E538B #8B1E53 #538B1E
tetradic
#1E538B #8B1E89 #8B561E #1E8B20
square
#1E538B #8B1E89 #8B561E #1E8B20
split-complementary
#1E538B #8B201E #898B1E
monochromatic
#081726 #133559 #1E538B #2971BD #4B90D8

Accessibility & contrast

On white

7.88
#1E538B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1E538B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E538B
7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E538B#FFFFFF#000000##FFFFFF
##1E538B1.007.882.677.88
#FFFFFF7.881.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38578D
Deuteranopia (green-blind)
#274D8A
Tritanopia (blue-blind)
#006068
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1e538b;
/* rgb */ color: rgb(30, 83, 139);
/* oklch */ color: oklch(43.7% 0.108 252.7);
Tailwind
colors: {
  custom: {
    50: '#6b82ad',
    500: '#1e538b',
    950: '#000000',
  },
}
SCSS
$custom: #1e538b;
$custom-light: #6b82ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1e538b",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 139
  },
  "hsl": {
    "h": 210.826,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4371,
    "c": 0.10792,
    "h": 252.7
  },
  "luminance": 0.08327
}

Semantic roles & 50–950 ramp

primary
#1E538B
secondary
#BB844A
accent
#9640E7
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A10
muted
#7A7C7F

Preview Lab

Preview with #1E538B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E538B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva