#154B74#154B74

#154B74 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.088 H 245.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX#154B74
RGBrgb(21, 75, 116)
HSLhsl(206, 69%, 27%)
HSVhsv(206, 82%, 45%)
CMYKcmyk(81.9%, 35.3%, 0%, 54.5%)
CIE-LABlab(30.52, -1.71, -28.42)
CIE-LCHlch(30.52, 28.47, 266.55°)
OKLaboklab(39.97% -0.0361 -0.0808)
OKLCHoklch(39.97% 0.088 245.9)
XYZxyz(5.9765, 6.4518, 17.4499)
Luminance0.0645 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#154B74 #743E15
analogous
#15746E #154B74 #151B74
triadic
#154B74 #74154B #4B7415
tetradic
#154B74 #6E1574 #743E15 #1B7415
square
#154B74 #6E1574 #743E15 #1B7415
split-complementary
#154B74 #74151B #746E15
monochromatic
#05111A #0C2940 #154B74 #1E6DA8 #2B8ED9

Accessibility & contrast

On white

9.17
#154B74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.29
#154B74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B74
9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##154B74#FFFFFF#000000##FFFFFF
##154B741.009.172.299.17
#FFFFFF9.171.0021.001.00
#0000002.2921.001.0021.00
##FFFFFF9.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#384D76
Deuteranopia (green-blind)
#2A4473
Tritanopia (blue-blind)
#00555A
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #154b74;
/* rgb */ color: rgb(21, 75, 116);
/* oklch */ color: oklch(40.0% 0.088 245.9);
Tailwind
colors: {
  custom: {
    50: '#637d9c',
    500: '#154b74',
    950: '#000000',
  },
}
SCSS
$custom: #154b74;
$custom-light: #637d9c;
$custom-dark: #000000;
JSON
{
  "hex": "#154b74",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 116
  },
  "hsl": {
    "h": 205.895,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.39968,
    "c": 0.08848,
    "h": 245.9
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary
#154B74
secondary
#AA6B3B
accent
#883CEC
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #154B74

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

Preview Lab → · Contrast checker → · Palette generator →

#154B74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva