#153D7A#153D7A

#153D7A is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.113 H 259.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX#153D7A
RGBrgb(21, 61, 122)
HSLhsl(216, 71%, 28%)
HSVhsv(216, 83%, 48%)
CMYKcmyk(82.8%, 50%, 0%, 52.2%)
CIE-LABlab(26.45, 10.29, -38.70)
CIE-LCHlch(26.45, 40.04, 284.89°)
OKLaboklab(36.92% -0.0217 -0.1112)
OKLCHoklch(36.92% 0.113 259)
XYZxyz(5.4896, 4.9014, 19.0653)
Luminance0.0490 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153D7A #7A5215
analogous
#156F7A #153D7A #20157A
triadic
#153D7A #7A153D #3D7A15
tetradic
#153D7A #7A156F #7A5215 #157A20
square
#153D7A #7A156F #7A5215 #157A20
split-complementary
#153D7A #7A2015 #6F7A15
monochromatic
#040D1A #0C2346 #153D7A #1E57AE #2E73DB

Accessibility & contrast

On white

10.60
#153D7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#153D7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D7A
10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153D7A#FFFFFF#000000##FFFFFF
##153D7A1.0010.601.9810.60
#FFFFFF10.601.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A437C
Deuteranopia (green-blind)
#003A79
Tritanopia (blue-blind)
#004C55
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #153d7a;
/* rgb */ color: rgb(21, 61, 122);
/* oklch */ color: oklch(36.9% 0.113 259.0);
Tailwind
colors: {
  custom: {
    50: '#6471a1',
    500: '#153d7a',
    950: '#000000',
  },
}
SCSS
$custom: #153d7a;
$custom-light: #6471a1;
$custom-dark: #000000;
JSON
{
  "hex": "#153d7a",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 216.238,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36918,
    "c": 0.11332,
    "h": 259
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary
#153D7A
secondary
#AF813B
accent
#A73AED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #153D7A

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

Preview Lab → · Contrast checker → · Palette generator →

#153D7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva