#101C54#101C54

#101C54 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.8% C 0.103 H 268.7°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#101C54
RGB	rgb(16, 28, 84)
HSL	hsl(229, 68%, 20%)
HSV	hsv(229, 81%, 33%)
CMYK	cmyk(81%, 66.7%, 0%, 67.1%)
CIE-LAB	lab(13.11, 17.63, -35.53)
CIE-LCH	lch(13.11, 39.66, 296.39°)
OKLab	oklab(25.78% -0.0024 -0.1026)
OKLCH	oklch(25.78% 0.103 268.7)
XYZ	xyz(2.2286, 1.5805, 8.5734)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C54 #544810

analogous

#103E54 #101C54 #261054

triadic

#101C54 #54101C #1C5410

tetradic

#101C54 #54103E #544810 #105426

square

#101C54 #54103E #544810 #105426

split-complementary

#101C54 #542610 #3E5410

monochromatic

#05091A #060B21 #101C54 #1A2D87 #243EBB

Accessibility & contrast

On white

15.96

#101C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#101C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C54

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C54	#FFFFFF	#000000	##FFFFFF
##101C54	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002556

Deuteranopia (green-blind)

#001F53

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101c54;
/* rgb */ color: rgb(16, 28, 84);
/* oklch */ color: oklch(25.8% 0.103 268.7);

Tailwind

colors: {
  custom: {
    50: '#5a5785',
    500: '#101c54',
    950: '#000000',
  },
}

SCSS

$custom: #101c54;
$custom-light: #5a5785;
$custom-dark: #000000;

JSON

{
  "hex": "#101c54",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 84
  },
  "hsl": {
    "h": 229.412,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25778,
    "c": 0.10268,
    "h": 268.7
  },
  "luminance": 0.01581
}

Semantic roles & 50–950 ramp

primary

#101C54

secondary

#8E7D32

accent

#CC3DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101C54

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

Preview Lab → · Contrast checker → · Palette generator →