#153B75#153B75

#153B75 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.109 H 258.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX#153B75
RGBrgb(21, 59, 117)
HSLhsl(216, 70%, 27%)
HSVhsv(216, 82%, 46%)
CMYKcmyk(82.1%, 49.6%, 0%, 54.1%)
CIE-LABlab(25.48, 9.60, -37.11)
CIE-LCHlch(25.48, 38.33, 284.51°)
OKLaboklab(36.05% -0.0208 -0.1066)
OKLCHoklch(36.05% 0.109 258.9)
XYZxyz(5.0829, 4.5711, 17.4406)
Luminance0.0457 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B75 #754F15
analogous
#156B75 #153B75 #1F1575
triadic
#153B75 #75153B #3B7515
tetradic
#153B75 #75156B #754F15 #15751F
square
#153B75 #75156B #754F15 #15751F
split-complementary
#153B75 #751F15 #6B7515
monochromatic
#050D1A #0C2141 #153B75 #1E55A9 #2B70D9

Accessibility & contrast

On white

10.97
#153B75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#153B75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B75
10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B75#FFFFFF#000000##FFFFFF
##153B751.0010.971.9110.97
#FFFFFF10.971.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF10.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B4177
Deuteranopia (green-blind)
#003874
Tritanopia (blue-blind)
#004952
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #153b75;
/* rgb */ color: rgb(21, 59, 117);
/* oklch */ color: oklch(36.1% 0.109 258.9);
Tailwind
colors: {
  custom: {
    50: '#63709d',
    500: '#153b75',
    950: '#000000',
  },
}
SCSS
$custom: #153b75;
$custom-light: #63709d;
$custom-dark: #000000;
JSON
{
  "hex": "#153b75",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 117
  },
  "hsl": {
    "h": 216.25,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36053,
    "c": 0.10862,
    "h": 258.9
  },
  "luminance": 0.04572
}

Semantic roles & 50–950 ramp

primary
#153B75
secondary
#AB7F3B
accent
#A63BEC
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153B75

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

Preview Lab → · Contrast checker → · Palette generator →

#153B75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva