#158FB4#158FB4

#158FB4 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.111 H 225.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#158FB4
RGBrgb(21, 143, 180)
HSLhsl(194, 79%, 39%)
HSVhsv(194, 88%, 71%)
CMYKcmyk(88.3%, 20.6%, 0%, 29.4%)
CIE-LABlab(55.17, -17.71, -28.08)
CIE-LCHlch(55.17, 33.19, 237.76°)
OKLaboklab(60.61% -0.0779 -0.079)
OKLCHoklch(60.61% 0.111 225.4)
XYZxyz(18.3665, 23.0972, 46.6614)
Luminance0.2310 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#158FB4 #B43A15
analogous
#15B489 #158FB4 #1540B4
triadic
#158FB4 #B4158F #8FB415
tetradic
#158FB4 #8915B4 #B43A15 #40B415
square
#158FB4 #8915B4 #B43A15 #40B415
split-complementary
#158FB4 #B41540 #B48915
monochromatic
#083846 #0F637D #158FB4 #21B7E5 #58C9EC

Accessibility & contrast

On white

3.74
#158FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#158FB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #158FB4
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##158FB4#FFFFFF#000000##000000
##158FB41.003.745.625.62
#FFFFFF3.741.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8CB6
Deuteranopia (green-blind)
#677EB4
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #158fb4;
/* rgb */ color: rgb(21, 143, 180);
/* oklch */ color: oklch(60.6% 0.111 225.4);
Tailwind
colors: {
  custom: {
    50: '#74b0ca',
    500: '#158fb4',
    950: '#000000',
  },
}
SCSS
$custom: #158fb4;
$custom-light: #74b0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#158fb4",
  "rgb": {
    "r": 21,
    "g": 143,
    "b": 180
  },
  "hsl": {
    "h": 193.962,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60608,
    "c": 0.11093,
    "h": 225.4
  },
  "luminance": 0.231
}

Semantic roles & 50–950 ramp

primary
#158FB4
secondary
#CF7256
accent
#6032F6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #158FB4

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

Preview Lab → · Contrast checker → · Palette generator →

#158FB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva