#153A7A#153A7A

#153A7A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.117 H 260.6°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX#153A7A
RGBrgb(21, 58, 122)
HSLhsl(218, 71%, 28%)
HSVhsv(218, 83%, 48%)
CMYKcmyk(82.8%, 52.5%, 0%, 52.2%)
CIE-LABlab(25.53, 12.41, -40.18)
CIE-LCHlch(25.53, 42.05, 287.16°)
OKLaboklab(36.21% -0.0192 -0.1157)
OKLCHoklch(36.21% 0.117 260.6)
XYZxyz(5.3339, 4.5900, 19.0134)
Luminance0.0459 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A7A #7A5515
analogous
#156C7A #153A7A #23157A
triadic
#153A7A #7A153A #3A7A15
tetradic
#153A7A #7A156C #7A5515 #157A23
square
#153A7A #7A156C #7A5515 #157A23
split-complementary
#153A7A #7A2315 #6C7A15
monochromatic
#040C1A #0C2146 #153A7A #1E53AE #2E6EDB

Accessibility & contrast

On white

10.95
#153A7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#153A7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A7A
10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A7A#FFFFFF#000000##FFFFFF
##153A7A1.0010.951.9210.95
#FFFFFF10.951.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#11417C
Deuteranopia (green-blind)
#003879
Tritanopia (blue-blind)
#004954
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #153a7a;
/* rgb */ color: rgb(21, 58, 122);
/* oklch */ color: oklch(36.2% 0.117 260.6);
Tailwind
colors: {
  custom: {
    50: '#646fa1',
    500: '#153a7a',
    950: '#000000',
  },
}
SCSS
$custom: #153a7a;
$custom-light: #646fa1;
$custom-dark: #000000;
JSON
{
  "hex": "#153a7a",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 122
  },
  "hsl": {
    "h": 218.02,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36214,
    "c": 0.11724,
    "h": 260.6
  },
  "luminance": 0.04591
}

Semantic roles & 50–950 ramp

primary
#153A7A
secondary
#AF853B
accent
#AC3AED
background
#F6F6FA
surface
#EBECF3
border
#C6C7CD
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #153A7A

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

Preview Lab → · Contrast checker → · Palette generator →

#153A7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva