#101C55#101C55

#101C55 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.104 H 268.7°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#101C55
RGB	rgb(16, 28, 85)
HSL	hsl(230, 68%, 20%)
HSV	hsv(230, 81%, 33%)
CMYK	cmyk(81.2%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(13.21, 18.05, -36.05)
CIE-LCH	lch(13.21, 40.32, 296.60°)
OKLab	oklab(25.88% -0.0024 -0.1042)
OKLCH	oklch(25.88% 0.104 268.7)
XYZ	xyz(2.2681, 1.5963, 8.7812)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C55 #554910

analogous

#103F55 #101C55 #261055

triadic

#101C55 #55101C #1C5510

tetradic

#101C55 #55103F #554910 #105526

square

#101C55 #55103F #554910 #105526

split-complementary

#101C55 #552610 #3F5510

monochromatic

#05081A #060B21 #101C55 #1A2D89 #233EBC

Accessibility & contrast

On white

15.92

#101C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#101C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C55

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C55	#FFFFFF	#000000	##FFFFFF
##101C55	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002557

Deuteranopia (green-blind)

#001F54

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101c55;
/* rgb */ color: rgb(16, 28, 85);
/* oklch */ color: oklch(25.9% 0.104 268.7);

Tailwind

colors: {
  custom: {
    50: '#5b5785',
    500: '#101c55',
    950: '#000000',
  },
}

SCSS

$custom: #101c55;
$custom-light: #5b5785;
$custom-dark: #000000;

JSON

{
  "hex": "#101c55",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 229.565,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2588,
    "c": 0.10421,
    "h": 268.7
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary

#101C55

secondary

#8F7E32

accent

#CD3DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101C55

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

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