#153A74#153A74

#153A74 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.7% C 0.108 H 259.3°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX#153A74
RGBrgb(21, 58, 116)
HSLhsl(217, 69%, 27%)
HSVhsv(217, 82%, 45%)
CMYKcmyk(81.9%, 50%, 0%, 54.5%)
CIE-LABlab(25.09, 9.89, -37.09)
CIE-LCHlch(25.09, 38.38, 284.93°)
OKLaboklab(35.74% -0.0201 -0.1066)
OKLCHoklch(35.74% 0.108 259.3)
XYZxyz(4.9736, 4.4459, 17.1156)
Luminance0.0445 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A74 #744F15
analogous
#156A74 #153A74 #201574
triadic
#153A74 #74153A #3A7415
tetradic
#153A74 #74156A #744F15 #157420
square
#153A74 #74156A #744F15 #157420
split-complementary
#153A74 #742015 #6A7415
monochromatic
#050D1A #0C2040 #153A74 #1E54A8 #2B6ED9

Accessibility & contrast

On white

11.12
#153A74 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#153A74 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A74
11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A74#FFFFFF#000000##FFFFFF
##153A741.0011.121.8911.12
#FFFFFF11.121.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#194076
Deuteranopia (green-blind)
#003773
Tritanopia (blue-blind)
#004851
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #153a74;
/* rgb */ color: rgb(21, 58, 116);
/* oklch */ color: oklch(35.7% 0.108 259.3);
Tailwind
colors: {
  custom: {
    50: '#636f9c',
    500: '#153a74',
    950: '#000000',
  },
}
SCSS
$custom: #153a74;
$custom-light: #636f9c;
$custom-dark: #000000;
JSON
{
  "hex": "#153a74",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 116
  },
  "hsl": {
    "h": 216.632,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35737,
    "c": 0.10845,
    "h": 259.3
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary
#153A74
secondary
#AA7F3B
accent
#A73CEC
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153A74

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

Preview Lab → · Contrast checker → · Palette generator →

#153A74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva