#10245C#10245C

#10245C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.3% C 0.104 H 265.3°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#10245C
RGB	rgb(16, 36, 92)
HSL	hsl(224, 70%, 21%)
HSV	hsv(224, 83%, 36%)
CMYK	cmyk(82.6%, 60.9%, 0%, 63.9%)
CIE-LAB	lab(16.23, 15.06, -35.83)
CIE-LCH	lch(16.23, 38.87, 292.80°)
OKLab	oklab(28.33% -0.0085 -0.1034)
OKLCH	oklch(28.33% 0.104 265.3)
XYZ	xyz(2.7756, 2.1443, 10.3907)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10245C #5C4810

analogous

#104A5C #10245C #22105C

triadic

#10245C #5C1024 #245C10

tetradic

#10245C #5C104A #5C4810 #105C22

square

#10245C #5C104A #5C4810 #105C22

split-complementary

#10245C #5C2210 #4A5C10

monochromatic

#050A1A #071028 #10245C #193890 #224DC4

Accessibility & contrast

On white

14.70

#10245C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#10245C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10245C

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10245C	#FFFFFF	#000000	##FFFFFF
##10245C	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5E

Deuteranopia (green-blind)

#00255B

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #10245c;
/* rgb */ color: rgb(16, 36, 92);
/* oklch */ color: oklch(28.3% 0.104 265.3);

Tailwind

colors: {
  custom: {
    50: '#5c5e8b',
    500: '#10245c',
    950: '#000000',
  },
}

SCSS

$custom: #10245c;
$custom-light: #5c5e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10245c",
  "rgb": {
    "r": 16,
    "g": 36,
    "b": 92
  },
  "hsl": {
    "h": 224.211,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28334,
    "c": 0.10376,
    "h": 265.3
  },
  "luminance": 0.02145
}

Semantic roles & 50–950 ramp

primary

#10245C

secondary

#957B33

accent

#BE3BED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #10245C

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

Preview Lab → · Contrast checker → · Palette generator →