#101A55#101A55

#101A55 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.107 H 269.5°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#101A55
RGB	rgb(16, 26, 85)
HSL	hsl(231, 68%, 20%)
HSV	hsv(231, 81%, 33%)
CMYK	cmyk(81.2%, 69.4%, 0%, 66.7%)
CIE-LAB	lab(12.64, 19.54, -36.98)
CIE-LCH	lch(12.64, 41.83, 297.84°)
OKLab	oklab(25.46% -0.0009 -0.1069)
OKLCH	oklch(25.46% 0.107 269.5)
XYZ	xyz(2.2222, 1.5046, 8.7659)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A55 #554B10

analogous

#103D55 #101A55 #281055

triadic

#101A55 #55101A #1A5510

tetradic

#101A55 #55103D #554B10 #105528

square

#101A55 #55103D #554B10 #105528

split-complementary

#101A55 #552810 #3D5510

monochromatic

#05081A #060A21 #101A55 #1A2A89 #233ABC

Accessibility & contrast

On white

16.14

#101A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#101A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A55

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A55	#FFFFFF	#000000	##FFFFFF
##101A55	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#001E54

Tritanopia (blue-blind)

#002934

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101a55;
/* rgb */ color: rgb(16, 26, 85);
/* oklch */ color: oklch(25.5% 0.107 269.5);

Tailwind

colors: {
  custom: {
    50: '#5b5686',
    500: '#101a55',
    950: '#000000',
  },
}

SCSS

$custom: #101a55;
$custom-light: #5b5686;
$custom-dark: #000000;

JSON

{
  "hex": "#101a55",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 85
  },
  "hsl": {
    "h": 231.304,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.25459,
    "c": 0.10693,
    "h": 269.5
  },
  "luminance": 0.01505
}

Semantic roles & 50–950 ramp

primary

#101A55

secondary

#8F8132

accent

#D23DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101A55

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

Preview Lab → · Contrast checker → · Palette generator →