#101D55#101D55

#101D55 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.103 H 268.2°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#101D55
RGB	rgb(16, 29, 85)
HSL	hsl(229, 68%, 20%)
HSV	hsv(229, 81%, 33%)
CMYK	cmyk(81.2%, 65.9%, 0%, 66.7%)
CIE-LAB	lab(13.50, 17.31, -35.58)
CIE-LCH	lch(13.50, 39.56, 295.94°)
OKLab	oklab(26.1% -0.0032 -0.1028)
OKLCH	oklch(26.1% 0.103 268.2)
XYZ	xyz(2.2922, 1.6445, 8.7892)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D55 #554810

analogous

#103F55 #101D55 #261055

triadic

#101D55 #55101D #1D5510

tetradic

#101D55 #55103F #554810 #105526

square

#101D55 #55103F #554810 #105526

split-complementary

#101D55 #552610 #3F5510

monochromatic

#05091A #060B21 #101D55 #1A2F89 #2340BC

Accessibility & contrast

On white

15.80

#101D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#101D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D55

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D55	#FFFFFF	#000000	##FFFFFF
##101D55	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002657

Deuteranopia (green-blind)

#001F54

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #101d55;
/* rgb */ color: rgb(16, 29, 85);
/* oklch */ color: oklch(26.1% 0.103 268.2);

Tailwind

colors: {
  custom: {
    50: '#5b5885',
    500: '#101d55',
    950: '#000000',
  },
}

SCSS

$custom: #101d55;
$custom-light: #5b5885;
$custom-dark: #000000;

JSON

{
  "hex": "#101d55",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 85
  },
  "hsl": {
    "h": 228.696,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.26096,
    "c": 0.10282,
    "h": 268.2
  },
  "luminance": 0.01645
}

Semantic roles & 50–950 ramp

primary

#101D55

secondary

#8F7D32

accent

#CA3DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101D55

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

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