#153C7A#153C7A

#153C7A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.115 H 259.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX#153C7A
RGBrgb(21, 60, 122)
HSLhsl(217, 71%, 28%)
HSVhsv(217, 83%, 48%)
CMYKcmyk(82.8%, 50.8%, 0%, 52.2%)
CIE-LABlab(26.14, 10.99, -39.19)
CIE-LCHlch(26.14, 40.71, 285.67°)
OKLaboklab(36.68% -0.0208 -0.1127)
OKLCHoklch(36.68% 0.115 259.5)
XYZxyz(5.4367, 4.7956, 19.0477)
Luminance0.0480 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153C7A #7A5315
analogous
#156E7A #153C7A #21157A
triadic
#153C7A #7A153C #3C7A15
tetradic
#153C7A #7A156E #7A5315 #157A21
square
#153C7A #7A156E #7A5315 #157A21
split-complementary
#153C7A #7A2115 #6E7A15
monochromatic
#040D1A #0C2246 #153C7A #1E56AE #2E71DB

Accessibility & contrast

On white

10.72
#153C7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#153C7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C7A
10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153C7A#FFFFFF#000000##FFFFFF
##153C7A1.0010.721.9610.72
#FFFFFF10.721.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17437C
Deuteranopia (green-blind)
#003A79
Tritanopia (blue-blind)
#004B55
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #153c7a;
/* rgb */ color: rgb(21, 60, 122);
/* oklch */ color: oklch(36.7% 0.115 259.5);
Tailwind
colors: {
  custom: {
    50: '#6471a1',
    500: '#153c7a',
    950: '#000000',
  },
}
SCSS
$custom: #153c7a;
$custom-light: #6471a1;
$custom-dark: #000000;
JSON
{
  "hex": "#153c7a",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 122
  },
  "hsl": {
    "h": 216.832,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36682,
    "c": 0.11463,
    "h": 259.5
  },
  "luminance": 0.04796
}

Semantic roles & 50–950 ramp

primary
#153C7A
secondary
#AF833B
accent
#A83AED
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E

Preview Lab

Preview with #153C7A

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

Preview Lab → · Contrast checker → · Palette generator →

#153C7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva