#153B7A#153B7A

#153B7A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.116 H 260.1°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX#153B7A
RGBrgb(21, 59, 122)
HSLhsl(217, 71%, 28%)
HSVhsv(217, 83%, 48%)
CMYKcmyk(82.8%, 51.6%, 0%, 52.2%)
CIE-LABlab(25.84, 11.70, -39.69)
CIE-LCHlch(25.84, 41.37, 286.42°)
OKLaboklab(36.45% -0.02 -0.1142)
OKLCHoklch(36.45% 0.116 260.1)
XYZxyz(5.3848, 4.6919, 19.0304)
Luminance0.0469 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B7A #7A5415
analogous
#156D7A #153B7A #22157A
triadic
#153B7A #7A153B #3B7A15
tetradic
#153B7A #7A156D #7A5415 #157A22
square
#153B7A #7A156D #7A5415 #157A22
split-complementary
#153B7A #7A2215 #6D7A15
monochromatic
#040D1A #0C2246 #153B7A #1E54AE #2E6FDB

Accessibility & contrast

On white

10.83
#153B7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#153B7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B7A
10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B7A#FFFFFF#000000##FFFFFF
##153B7A1.0010.831.9410.83
#FFFFFF10.831.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#15427C
Deuteranopia (green-blind)
#003979
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #153b7a;
/* rgb */ color: rgb(21, 59, 122);
/* oklch */ color: oklch(36.4% 0.116 260.1);
Tailwind
colors: {
  custom: {
    50: '#6470a1',
    500: '#153b7a',
    950: '#000000',
  },
}
SCSS
$custom: #153b7a;
$custom-light: #6470a1;
$custom-dark: #000000;
JSON
{
  "hex": "#153b7a",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 122
  },
  "hsl": {
    "h": 217.426,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36447,
    "c": 0.11593,
    "h": 260.1
  },
  "luminance": 0.04692
}

Semantic roles & 50–950 ramp

primary
#153B7A
secondary
#AF843B
accent
#AA3AED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #153B7A

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

Preview Lab → · Contrast checker → · Palette generator →

#153B7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva