#1E79B3#1E79B3

#1E79B3 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.121 H 242.7°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#1E79B3
RGBrgb(30, 121, 179)
HSLhsl(203, 71%, 41%)
HSVhsv(203, 83%, 70%)
CMYKcmyk(83.2%, 32.4%, 0%, 29.8%)
CIE-LABlab(48.52, -4.88, -37.90)
CIE-LCHlch(48.52, 38.21, 262.67°)
OKLaboklab(55.33% -0.0556 -0.1077)
OKLCHoklch(55.33% 0.121 242.7)
XYZxyz(15.5063, 17.2035, 45.1424)
Luminance0.1721 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E79B3 #B3581E
analogous
#1EB3A2 #1E79B3 #1E2EB3
triadic
#1E79B3 #B31E79 #79B31E
tetradic
#1E79B3 #A21EB3 #B3581E #2EB31E
square
#1E79B3 #A21EB3 #B3581E #2EB31E
split-complementary
#1E79B3 #B31E2E #B3A21E
monochromatic
#0C324A #15567F #1E79B3 #329ADD #66B4E5

Accessibility & contrast

On white

4.73
#1E79B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.44
#1E79B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E79B3
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E79B3#FFFFFF#000000##FFFFFF
##1E79B31.004.734.444.73
#FFFFFF4.731.0021.001.00
#0000004.4421.001.0021.00
##FFFFFF4.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E7BB6
Deuteranopia (green-blind)
#496DB2
Tritanopia (blue-blind)
#00878E
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #1e79b3;
/* rgb */ color: rgb(30, 121, 179);
/* oklch */ color: oklch(55.3% 0.121 242.7);
Tailwind
colors: {
  custom: {
    50: '#749fca',
    500: '#1e79b3',
    950: '#000000',
  },
}
SCSS
$custom: #1e79b3;
$custom-light: #749fca;
$custom-dark: #000000;
JSON
{
  "hex": "#1e79b3",
  "rgb": {
    "r": 30,
    "g": 121,
    "b": 179
  },
  "hsl": {
    "h": 203.356,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55325,
    "c": 0.12116,
    "h": 242.7
  },
  "luminance": 0.17205
}

Semantic roles & 50–950 ramp

primary
#1E79B3
secondary
#CB8B62
accent
#803AEE
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #1E79B3

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

Preview Lab → · Contrast checker → · Palette generator →

#1E79B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva