#101B34#101B34

#101B34 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.7% C 0.051 H 264.7°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#101B34
RGB	rgb(16, 27, 52)
HSL	hsl(222, 53%, 13%)
HSV	hsv(222, 69%, 20%)
CMYK	cmyk(69.2%, 48.1%, 0%, 79.6%)
CIE-LAB	lab(10.12, 4.64, -17.97)
CIE-LCH	lch(10.12, 18.56, 284.49°)
OKLab	oklab(22.67% -0.0047 -0.051)
OKLCH	oklch(22.67% 0.051 264.7)
XYZ	xyz(1.2252, 1.1419, 3.4040)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B34 #342910

analogous

#102D34 #101B34 #171034

triadic

#101B34 #34101B #1B3410

tetradic

#101B34 #34102D #342910 #103417

square

#101B34 #34102D #342910 #103417

split-complementary

#101B34 #341710 #2D3410

monochromatic

#070C17 #070C17 #101B34 #1E3363 #2D4C92

Accessibility & contrast

On white

17.10

#101B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B34

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B34	#FFFFFF	#000000	##FFFFFF
##101B34	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101D35

Deuteranopia (green-blind)

#0B1A33

Tritanopia (blue-blind)

#002124

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101b34;
/* rgb */ color: rgb(16, 27, 52);
/* oklch */ color: oklch(22.7% 0.051 264.7);

Tailwind

colors: {
  custom: {
    50: '#52566b',
    500: '#101b34',
    950: '#000000',
  },
}

SCSS

$custom: #101b34;
$custom-light: #52566b;
$custom-dark: #000000;

JSON

{
  "hex": "#101b34",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 52
  },
  "hsl": {
    "h": 221.667,
    "s": 52.941,
    "l": 13.333
  },
  "oklch": {
    "l": 0.22674,
    "c": 0.05127,
    "h": 264.7
  },
  "luminance": 0.01142
}

Semantic roles & 50–950 ramp

primary

#101B34

secondary

#6E5B32

accent

#B04BDC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101B34

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

Preview Lab → · Contrast checker → · Palette generator →