#153D7E#153D7E

#153D7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.119 H 259.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX#153D7E
RGBrgb(21, 61, 126)
HSLhsl(217, 71%, 29%)
HSVhsv(217, 83%, 49%)
CMYKcmyk(83.3%, 51.6%, 0%, 50.6%)
CIE-LABlab(26.74, 11.96, -40.74)
CIE-LCHlch(26.74, 42.46, 286.36°)
OKLaboklab(37.23% -0.021 -0.1173)
OKLCHoklch(37.23% 0.119 259.8)
XYZxyz(5.7425, 5.0026, 20.3976)
Luminance0.0500 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D7E #7E5615
analogous
#15727E #153D7E #22157E
triadic
#153D7E #7E153D #3D7E15
tetradic
#153D7E #7E1572 #7E5615 #157E22
square
#153D7E #7E1572 #7E5615 #157E22
split-complementary
#153D7E #7E2215 #727E15
monochromatic
#040D1A #0C244A #153D7E #1E56B2 #3172DD

Accessibility & contrast

On white

10.50
#153D7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#153D7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D7E
10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D7E#FFFFFF#000000##FFFFFF
##153D7E1.0010.502.0010.50
#FFFFFF10.501.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#154480
Deuteranopia (green-blind)
#003B7D
Tritanopia (blue-blind)
#004D57
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #153d7e;
/* rgb */ color: rgb(21, 61, 126);
/* oklch */ color: oklch(37.2% 0.119 259.8);
Tailwind
colors: {
  custom: {
    50: '#6571a4',
    500: '#153d7e',
    950: '#000000',
  },
}
SCSS
$custom: #153d7e;
$custom-light: #6571a4;
$custom-dark: #000000;
JSON
{
  "hex": "#153d7e",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 217.143,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37233,
    "c": 0.11913,
    "h": 259.8
  },
  "luminance": 0.05003
}

Semantic roles & 50–950 ramp

primary
#153D7E
secondary
#B3863C
accent
#A93AEE
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #153D7E

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

Preview Lab → · Contrast checker → · Palette generator →

#153D7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva