#10193F#10193F

#10193F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.1% C 0.073 H 269.8°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#10193F
RGB	rgb(16, 25, 63)
HSL	hsl(229, 59%, 15%)
HSV	hsv(229, 75%, 25%)
CMYK	cmyk(74.6%, 60.3%, 0%, 75.3%)
CIE-LAB	lab(10.29, 10.92, -25.57)
CIE-LCH	lch(10.29, 27.80, 293.13°)
OKLab	oklab(23.07% -0.0003 -0.0734)
OKLCH	oklch(23.07% 0.073 269.8)
XYZ	xyz(1.4582, 1.1642, 4.8495)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10193F #3F3610

analogous

#10303F #10193F #1E103F

triadic

#10193F #3F1019 #193F10

tetradic

#10193F #3F1030 #3F3610 #103F1E

square

#10193F #3F1030 #3F3610 #103F1E

split-complementary

#10193F #3F1E10 #303F10

monochromatic

#060A18 #060A18 #10193F #1C2C70 #2940A1

Accessibility & contrast

On white

17.03

#10193F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#10193F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10193F

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10193F	#FFFFFF	#000000	##FFFFFF
##10193F	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031E40

Deuteranopia (green-blind)

#001A3E

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #10193f;
/* rgb */ color: rgb(16, 25, 63);
/* oklch */ color: oklch(23.1% 0.073 269.8);

Tailwind

colors: {
  custom: {
    50: '#555574',
    500: '#10193f',
    950: '#000000',
  },
}

SCSS

$custom: #10193f;
$custom-light: #555574;
$custom-dark: #000000;

JSON

{
  "hex": "#10193f",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 63
  },
  "hsl": {
    "h": 228.511,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23074,
    "c": 0.07341,
    "h": 269.8
  },
  "luminance": 0.01164
}

Semantic roles & 50–950 ramp

primary

#10193F

secondary

#796B32

accent

#C545E3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030308

muted

#78787B

Preview Lab

Preview with #10193F

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

Preview Lab → · Contrast checker → · Palette generator →