#153C8E#153C8E

#153C8E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.143 H 262.6°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX#153C8E
RGBrgb(21, 60, 142)
HSLhsl(221, 74%, 32%)
HSVhsv(221, 85%, 56%)
CMYKcmyk(85.2%, 57.7%, 0%, 44.3%)
CIE-LABlab(27.69, 19.30, -49.16)
CIE-LCHlch(27.69, 52.81, 291.44°)
OKLaboklab(38.35% -0.0185 -0.142)
OKLCHoklch(38.35% 0.143 262.6)
XYZxyz(6.8058, 5.3433, 26.2586)
Luminance0.0534 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153C8E #8E6715
analogous
#15798E #153C8E #2B158E
triadic
#153C8E #8E153C #3C8E15
tetradic
#153C8E #8E1579 #8E6715 #158E2B
square
#153C8E #8E1579 #8E6715 #158E2B
split-complementary
#153C8E #8E2B15 #798E15
monochromatic
#050F23 #0D2559 #153C8E #1D53C3 #3B71E2

Accessibility & contrast

On white

10.15
#153C8E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#153C8E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C8E
10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153C8E#FFFFFF#000000##FFFFFF
##153C8E1.0010.152.0710.15
#FFFFFF10.151.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004791
Deuteranopia (green-blind)
#003C8C
Tritanopia (blue-blind)
#00515F
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #153c8e;
/* rgb */ color: rgb(21, 60, 142);
/* oklch */ color: oklch(38.3% 0.143 262.6);
Tailwind
colors: {
  custom: {
    50: '#6a71b0',
    500: '#153c8e',
    950: '#000000',
  },
}
SCSS
$custom: #153c8e;
$custom-light: #6a71b0;
$custom-dark: #000000;
JSON
{
  "hex": "#153c8e",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 220.661,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38348,
    "c": 0.14323,
    "h": 262.6
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary
#153C8E
secondary
#C2973D
accent
#B537F1
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #153C8E

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

Preview Lab → · Contrast checker → · Palette generator →

#153C8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva