#10245B#10245B

#10245B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.102 H 265.2°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX#10245B
RGBrgb(16, 36, 91)
HSLhsl(224, 70%, 21%)
HSVhsv(224, 82%, 36%)
CMYKcmyk(82.4%, 60.4%, 0%, 64.3%)
CIE-LABlab(16.14, 14.63, -35.31)
CIE-LCHlch(16.14, 38.22, 292.51°)
OKLaboklab(28.24% -0.0086 -0.1019)
OKLCHoklch(28.24% 0.102 265.2)
XYZxyz(2.7322, 2.1269, 10.1620)
Luminance0.0213 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10245B #5B4710
analogous
#10495B #10245B #21105B
triadic
#10245B #5B1024 #245B10
tetradic
#10245B #5B1049 #5B4710 #105B21
square
#10245B #5B1049 #5B4710 #105B21
split-complementary
#10245B #5B2110 #495B10
monochromatic
#050A1A #070F27 #10245B #19398F #224DC3

Accessibility & contrast

On white

14.73
#10245B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.43
#10245B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10245B
14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10245B#FFFFFF#000000##FFFFFF
##10245B1.0014.731.4314.73
#FFFFFF14.731.0021.001.00
#0000001.4321.001.0021.00
##FFFFFF14.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002C5D
Deuteranopia (green-blind)
#00255A
Tritanopia (blue-blind)
#00323B
Achromatopsia (no color)
#282828

Design tokens & code

CSS
--color: #10245b;
/* rgb */ color: rgb(16, 36, 91);
/* oklch */ color: oklch(28.2% 0.102 265.2);
Tailwind
colors: {
  custom: {
    50: '#5c5e8a',
    500: '#10245b',
    950: '#000000',
  },
}
SCSS
$custom: #10245b;
$custom-light: #5c5e8a;
$custom-dark: #000000;
JSON
{
  "hex": "#10245b",
  "rgb": {
    "r": 16,
    "g": 36,
    "b": 91
  },
  "hsl": {
    "h": 224,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28241,
    "c": 0.10222,
    "h": 265.2
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary
#10245B
secondary
#947A33
accent
#BD3BED
background
#F5F5F8
surface
#E9E9F0
border
#C5C5CB
text
#05040C
muted
#79797D

Preview Lab

Preview with #10245B

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

Preview Lab → · Contrast checker → · Palette generator →

#10245B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva