#1937A1#1937A1

#1937A1 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.174 H 265.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX#1937A1
RGBrgb(25, 55, 161)
HSLhsl(227, 73%, 36%)
HSVhsv(227, 84%, 63%)
CMYKcmyk(84.5%, 65.8%, 0%, 36.9%)
CIE-LABlab(28.14, 30.64, -60.03)
CIE-LCHlch(28.14, 67.40, 297.04°)
OKLaboklab(39.24% -0.0126 -0.1739)
OKLCHoklch(39.24% 0.174 265.9)
XYZxyz(8.1978, 5.5113, 34.3430)
Luminance0.0551 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1937A1 #A18319
analogous
#197BA1 #1937A1 #3F19A1
triadic
#1937A1 #A11937 #37A119
tetradic
#1937A1 #A1197B #A18319 #19A13F
square
#1937A1 #A1197B #A18319 #19A13F
split-complementary
#1937A1 #A13F19 #7BA119
monochromatic
#091337 #11256C #1937A1 #2149D6 #5071E4

Accessibility & contrast

On white

9.99
#1937A1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#1937A1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1937A1
9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1937A1#FFFFFF#000000##FFFFFF
##1937A11.009.992.109.99
#FFFFFF9.991.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF9.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0049A4
Deuteranopia (green-blind)
#003C9F
Tritanopia (blue-blind)
#005367
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1937a1;
/* rgb */ color: rgb(25, 55, 161);
/* oklch */ color: oklch(39.2% 0.174 265.9);
Tailwind
colors: {
  custom: {
    50: '#706dbe',
    500: '#1937a1',
    950: '#000000',
  },
}
SCSS
$custom: #1937a1;
$custom-light: #706dbe;
$custom-dark: #000000;
JSON
{
  "hex": "#1937a1",
  "rgb": {
    "r": 25,
    "g": 55,
    "b": 161
  },
  "hsl": {
    "h": 226.765,
    "s": 73.118,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39239,
    "c": 0.17435,
    "h": 265.9
  },
  "luminance": 0.05512
}

Semantic roles & 50–950 ramp

primary
#1937A1
secondary
#C6AC4F
accent
#C738F0
background
#F7F6FB
surface
#EDEBF7
border
#C8C6D0
text
#090712
muted
#7B7A81

Preview Lab

Preview with #1937A1

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

Preview Lab → · Contrast checker → · Palette generator →

#1937A1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva