#101133#101133

#101133 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.066 H 277.4°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#101133
RGB	rgb(16, 17, 51)
HSL	hsl(238, 52%, 13%)
HSV	hsv(238, 69%, 20%)
CMYK	cmyk(68.6%, 66.7%, 0%, 80%)
CIE-LAB	lab(6.77, 11.81, -22.60)
CIE-LCH	lch(6.77, 25.50, 297.60°)
OKLab	oklab(20.06% 0.0085 -0.0651)
OKLCH	oklch(20.06% 0.066 277.4)
XYZ	xyz(1.0115, 0.7500, 3.2228)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101133 #333210

analogous

#102233 #101133 #201033

triadic

#101133 #331011 #113310

tetradic

#101133 #331022 #333210 #103320

square

#101133 #331022 #333210 #103320

split-complementary

#101133 #332010 #223310

monochromatic

#070817 #070817 #101133 #1F2162 #2D3090

Accessibility & contrast

On white

18.26

#101133 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#101133 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101133

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101133	#FFFFFF	#000000	##FFFFFF
##101133	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001634

Deuteranopia (green-blind)

#001432

Tritanopia (blue-blind)

#01191F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #101133;
/* rgb */ color: rgb(16, 17, 51);
/* oklch */ color: oklch(20.1% 0.066 277.4);

Tailwind

colors: {
  custom: {
    50: '#524e6b',
    500: '#101133',
    950: '#000000',
  },
}

SCSS

$custom: #101133;
$custom-light: #524e6b;
$custom-dark: #000000;

JSON

{
  "hex": "#101133",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 51
  },
  "hsl": {
    "h": 238.286,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20057,
    "c": 0.06569,
    "h": 277.4
  },
  "luminance": 0.0075
}

Semantic roles & 50–950 ramp

primary

#101133

secondary

#6C6B32

accent

#D84CDC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #101133

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

Preview Lab → · Contrast checker → · Palette generator →