#10133A#10133A

#10133A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.074 H 274.8°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#10133A
RGB	rgb(16, 19, 58)
HSL	hsl(236, 57%, 15%)
HSV	hsv(236, 72%, 23%)
CMYK	cmyk(72.4%, 67.2%, 0%, 77.3%)
CIE-LAB	lab(7.96, 13.47, -25.77)
CIE-LCH	lch(7.96, 29.08, 297.60°)
OKLab	oklab(21.19% 0.0062 -0.0741)
OKLCH	oklch(21.19% 0.074 274.8)
XYZ	xyz(1.2100, 0.8813, 4.1085)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10133A #3A3710

analogous

#10283A #10133A #22103A

triadic

#10133A #3A1013 #133A10

tetradic

#10133A #3A1028 #3A3710 #103A22

square

#10133A #3A1028 #3A3710 #103A22

split-complementary

#10133A #3A2210 #283A10

monochromatic

#070818 #070818 #10133A #1D236A #2A329A

Accessibility & contrast

On white

17.85

#10133A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#10133A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10133A

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10133A	#FFFFFF	#000000	##FFFFFF
##10133A	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #10133a;
/* rgb */ color: rgb(16, 19, 58);
/* oklch */ color: oklch(21.2% 0.074 274.8);

Tailwind

colors: {
  custom: {
    50: '#545070',
    500: '#10133a',
    950: '#000000',
  },
}

SCSS

$custom: #10133a;
$custom-light: #545070;
$custom-dark: #000000;

JSON

{
  "hex": "#10133a",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 58
  },
  "hsl": {
    "h": 235.714,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2119,
    "c": 0.07436,
    "h": 274.8
  },
  "luminance": 0.00881
}

Semantic roles & 50–950 ramp

primary

#10133A

secondary

#746F32

accent

#D548E0

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #10133A

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

Preview Lab → · Contrast checker → · Palette generator →