#10193A#10193A

#10193A is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.065 H 269.2°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#10193A
RGB	rgb(16, 25, 58)
HSL	hsl(227, 57%, 15%)
HSV	hsv(227, 72%, 23%)
CMYK	cmyk(72.4%, 56.9%, 0%, 77.3%)
CIE-LAB	lab(9.88, 8.77, -22.66)
CIE-LCH	lch(9.88, 24.30, 291.15°)
OKLab	oklab(22.63% -0.0009 -0.0649)
OKLCH	oklch(22.63% 0.065 269.2)
XYZ	xyz(1.3248, 1.1108, 4.1468)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10193A #3A3110

analogous

#102E3A #10193A #1C103A

triadic

#10193A #3A1019 #193A10

tetradic

#10193A #3A102E #3A3110 #103A1C

square

#10193A #3A102E #3A3110 #103A1C

split-complementary

#10193A #3A1C10 #2E3A10

monochromatic

#070A18 #070A18 #10193A #1D2E6A #2A429A

Accessibility & contrast

On white

17.18

#10193A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#10193A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10193A

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10193A	#FFFFFF	#000000	##FFFFFF
##10193A	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081D3B

Deuteranopia (green-blind)

#021939

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10193a;
/* rgb */ color: rgb(16, 25, 58);
/* oklch */ color: oklch(22.6% 0.065 269.2);

Tailwind

colors: {
  custom: {
    50: '#535570',
    500: '#10193a',
    950: '#000000',
  },
}

SCSS

$custom: #10193a;
$custom-light: #535570;
$custom-dark: #000000;

JSON

{
  "hex": "#10193a",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 58
  },
  "hsl": {
    "h": 227.143,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22634,
    "c": 0.06489,
    "h": 269.2
  },
  "luminance": 0.01111
}

Semantic roles & 50–950 ramp

primary

#10193A

secondary

#746632

accent

#BF48E0

background

#F4F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030307

muted

#78787A

Preview Lab

Preview with #10193A

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

Preview Lab → · Contrast checker → · Palette generator →