#101A45#101A45

#101A45 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.082 H 269.4°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#101A45
RGB	rgb(16, 26, 69)
HSL	hsl(229, 62%, 17%)
HSV	hsv(229, 77%, 27%)
CMYK	cmyk(76.8%, 62.3%, 0%, 72.9%)
CIE-LAB	lab(11.12, 12.73, -28.44)
CIE-LCH	lch(11.12, 31.16, 294.12°)
OKLab	oklab(23.86% -0.0009 -0.0818)
OKLCH	oklch(23.86% 0.082 269.4)
XYZ	xyz(1.6569, 1.2785, 5.7885)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A45 #453B10

analogous

#103545 #101A45 #211045

triadic

#101A45 #45101A #1A4510

tetradic

#101A45 #451035 #453B10 #104521

square

#101A45 #451035 #453B10 #104521

split-complementary

#101A45 #452110 #354510

monochromatic

#060919 #060919 #101A45 #1C2D77 #273FA8

Accessibility & contrast

On white

16.72

#101A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A45

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A45	#FFFFFF	#000000	##FFFFFF
##101A45	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002046

Deuteranopia (green-blind)

#001B44

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101a45;
/* rgb */ color: rgb(16, 26, 69);
/* oklch */ color: oklch(23.9% 0.082 269.4);

Tailwind

colors: {
  custom: {
    50: '#565679',
    500: '#101a45',
    950: '#000000',
  },
}

SCSS

$custom: #101a45;
$custom-light: #565679;
$custom-dark: #000000;

JSON

{
  "hex": "#101a45",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 69
  },
  "hsl": {
    "h": 228.679,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23864,
    "c": 0.08185,
    "h": 269.4
  },
  "luminance": 0.01279
}

Semantic roles & 50–950 ramp

primary

#101A45

secondary

#7F7032

accent

#C742E5

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101A45

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

Preview Lab → · Contrast checker → · Palette generator →