#10133F#10133F

#10133F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.7% C 0.083 H 274.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#10133F
RGB	rgb(16, 19, 63)
HSL	hsl(236, 59%, 15%)
HSV	hsv(236, 75%, 25%)
CMYK	cmyk(74.6%, 69.8%, 0%, 75.3%)
CIE-LAB	lab(8.44, 15.57, -28.58)
CIE-LCH	lch(8.44, 32.54, 298.58°)
OKLab	oklab(21.69% 0.0061 -0.0824)
OKLCH	oklch(21.69% 0.083 274.2)
XYZ	xyz(1.3435, 0.9347, 4.8113)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10133F #3F3C10

analogous

#102A3F #10133F #24103F

triadic

#10133F #3F1013 #133F10

tetradic

#10133F #3F102A #3F3C10 #103F24

square

#10133F #3F102A #3F3C10 #103F24

split-complementary

#10133F #3F2410 #2A3F10

monochromatic

#060718 #060718 #10133F #1C2270 #2930A1

Accessibility & contrast

On white

17.69

#10133F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#10133F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10133F

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10133F	#FFFFFF	#000000	##FFFFFF
##10133F	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #10133f;
/* rgb */ color: rgb(16, 19, 63);
/* oklch */ color: oklch(21.7% 0.083 274.2);

Tailwind

colors: {
  custom: {
    50: '#555074',
    500: '#10133f',
    950: '#000000',
  },
}

SCSS

$custom: #10133f;
$custom-light: #555074;
$custom-dark: #000000;

JSON

{
  "hex": "#10133f",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 63
  },
  "hsl": {
    "h": 236.17,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2169,
    "c": 0.08257,
    "h": 274.2
  },
  "luminance": 0.00935
}

Semantic roles & 50–950 ramp

primary

#10133F

secondary

#797432

accent

#D945E3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #10133F

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

Preview Lab → · Contrast checker → · Palette generator →