#1E5B8B#1E5B8B

#1E5B8B is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.7% C 0.100 H 246.4°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#1E5B8B
RGBrgb(30, 91, 139)
HSLhsl(206, 64%, 33%)
HSVhsv(206, 78%, 55%)
CMYKcmyk(78.4%, 34.5%, 0%, 45.5%)
CIE-LABlab(37.15, -1.77, -32.13)
CIE-LCHlch(37.15, 32.18, 266.85°)
OKLaboklab(45.67% -0.0398 -0.0913)
OKLCHoklch(45.67% 0.1 246.4)
XYZxyz(8.9349, 9.6212, 25.8073)
Luminance0.0962 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E5B8B #8B4E1E
analogous
#1E8B84 #1E5B8B #1E248B
triadic
#1E5B8B #8B1E5B #5B8B1E
tetradic
#1E5B8B #841E8B #8B4E1E #248B1E
square
#1E5B8B #841E8B #8B4E1E #248B1E
split-complementary
#1E5B8B #8B1E24 #8B841E
monochromatic
#081926 #133A59 #1E5B8B #297CBD #4B9AD8

Accessibility & contrast

On white

7.18
#1E5B8B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#1E5B8B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5B8B
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E5B8B#FFFFFF#000000##FFFFFF
##1E5B8B1.007.182.927.18
#FFFFFF7.181.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#455D8D
Deuteranopia (green-blind)
#35538A
Tritanopia (blue-blind)
#00676C
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1e5b8b;
/* rgb */ color: rgb(30, 91, 139);
/* oklch */ color: oklch(45.7% 0.100 246.4);
Tailwind
colors: {
  custom: {
    50: '#6b89ad',
    500: '#1e5b8b',
    950: '#000000',
  },
}
SCSS
$custom: #1e5b8b;
$custom-light: #6b89ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1e5b8b",
  "rgb": {
    "r": 30,
    "g": 91,
    "b": 139
  },
  "hsl": {
    "h": 206.422,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.45673,
    "c": 0.09959,
    "h": 246.4
  },
  "luminance": 0.09622
}

Semantic roles & 50–950 ramp

primary
#1E5B8B
secondary
#BB7C4A
accent
#8A40E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1E5B8B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E5B8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva