#10248D#10248D

#10248D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.172 H 266.5°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#10248D
RGB	rgb(16, 36, 141)
HSL	hsl(230, 80%, 31%)
HSV	hsv(230, 89%, 55%)
CMYK	cmyk(88.7%, 74.5%, 0%, 44.7%)
CIE-LAB	lab(21.19, 34.86, -59.22)
CIE-LCH	lch(21.19, 68.72, 300.48°)
OKLab	oklab(33.48% -0.0104 -0.1717)
OKLCH	oklch(33.48% 0.172 266.5)
XYZ	xyz(5.6506, 3.2943, 25.5322)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10248D #8D7910

analogous

#10628D #10248D #3A108D

triadic

#10248D #8D1024 #248D10

tetradic

#10248D #8D1062 #8D7910 #108D3A

square

#10248D #8D1062 #8D7910 #108D3A

split-complementary

#10248D #8D3A10 #628D10

monochromatic

#04081F #0A1656 #10248D #1632C4 #304DE7

Accessibility & contrast

On white

12.66

#10248D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#10248D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10248D

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10248D	#FFFFFF	#000000	##FFFFFF
##10248D	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #10248d;
/* rgb */ color: rgb(16, 36, 141);
/* oklch */ color: oklch(33.5% 0.172 266.5);

Tailwind

colors: {
  custom: {
    50: '#6b5faf',
    500: '#10248d',
    950: '#000000',
  },
}

SCSS

$custom: #10248d;
$custom-light: #6b5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#10248d",
  "rgb": {
    "r": 16,
    "g": 36,
    "b": 141
  },
  "hsl": {
    "h": 230.4,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33475,
    "c": 0.17203,
    "h": 266.5
  },
  "luminance": 0.03295
}

Semantic roles & 50–950 ramp

primary

#10248D

secondary

#C2AC37

accent

#D732F6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080411

muted

#7B7980

Preview Lab

Preview with #10248D

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

Preview Lab → · Contrast checker → · Palette generator →