#153E7D#153E7D

#153E7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.116 H 259.1°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX#153E7D
RGBrgb(21, 62, 125)
HSLhsl(216, 71%, 29%)
HSVhsv(216, 83%, 49%)
CMYKcmyk(83.2%, 50.4%, 0%, 51%)
CIE-LABlab(26.97, 10.84, -39.74)
CIE-LCHlch(26.97, 41.19, 285.26°)
OKLaboklab(37.39% -0.022 -0.1143)
OKLCHoklch(37.39% 0.116 259.1)
XYZxyz(5.7322, 5.0847, 20.0774)
Luminance0.0508 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153E7D #7D5415
analogous
#15727D #153E7D #20157D
triadic
#153E7D #7D153E #3E7D15
tetradic
#153E7D #7D1572 #7D5415 #157D20
square
#153E7D #7D1572 #7D5415 #157D20
split-complementary
#153E7D #7D2015 #727D15
monochromatic
#040D1A #0C2449 #153E7D #1E58B1 #3074DC

Accessibility & contrast

On white

10.41
#153E7D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#153E7D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E7D
10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153E7D#FFFFFF#000000##FFFFFF
##153E7D1.0010.412.0210.41
#FFFFFF10.411.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#19457F
Deuteranopia (green-blind)
#003B7C
Tritanopia (blue-blind)
#004D57
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #153e7d;
/* rgb */ color: rgb(21, 62, 125);
/* oklch */ color: oklch(37.4% 0.116 259.1);
Tailwind
colors: {
  custom: {
    50: '#6572a3',
    500: '#153e7d',
    950: '#000000',
  },
}
SCSS
$custom: #153e7d;
$custom-light: #6572a3;
$custom-dark: #000000;
JSON
{
  "hex": "#153e7d",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 216.346,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37388,
    "c": 0.11639,
    "h": 259.1
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary
#153E7D
secondary
#B2833C
accent
#A73AEE
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #153E7D

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

Preview Lab → · Contrast checker → · Palette generator →

#153E7D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva