#101A5C#101A5C

#101A5C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.2% C 0.117 H 269.3°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#101A5C
RGB	rgb(16, 26, 92)
HSL	hsl(232, 70%, 21%)
HSV	hsv(232, 83%, 36%)
CMYK	cmyk(82.6%, 71.7%, 0%, 63.9%)
CIE-LAB	lab(13.36, 22.43, -40.52)
CIE-LCH	lch(13.36, 46.31, 298.96°)
OKLab	oklab(26.21% -0.0014 -0.1173)
OKLCH	oklch(26.21% 0.117 269.3)
XYZ	xyz(2.5142, 1.6214, 10.3036)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A5C #5C5210

analogous

#10405C #101A5C #2C105C

triadic

#101A5C #5C101A #1A5C10

tetradic

#101A5C #5C1040 #5C5210 #105C2C

square

#101A5C #5C1040 #5C5210 #105C2C

split-complementary

#101A5C #5C2C10 #405C10

monochromatic

#05071A #070B28 #101A5C #192990 #2237C4

Accessibility & contrast

On white

15.86

#101A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#101A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A5C

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A5C	#FFFFFF	#000000	##FFFFFF
##101A5C	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101a5c;
/* rgb */ color: rgb(16, 26, 92);
/* oklch */ color: oklch(26.2% 0.117 269.3);

Tailwind

colors: {
  custom: {
    50: '#5d568b',
    500: '#101a5c',
    950: '#000000',
  },
}

SCSS

$custom: #101a5c;
$custom-light: #5d568b;
$custom-dark: #000000;

JSON

{
  "hex": "#101a5c",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 232.105,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26209,
    "c": 0.11728,
    "h": 269.3
  },
  "luminance": 0.01622
}

Semantic roles & 50–950 ramp

primary

#101A5C

secondary

#958833

accent

#D63BED

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101A5C

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

Preview Lab → · Contrast checker → · Palette generator →