#010E31#010E31

#010E31 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.073 H 261.7°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#010E31
RGB	rgb(1, 14, 49)
HSL	hsl(224, 96%, 10%)
HSV	hsv(224, 98%, 19%)
CMYK	cmyk(98%, 71.4%, 0%, 80.8%)
CIE-LAB	lab(4.90, 8.54, -24.18)
CIE-LCH	lch(4.90, 25.65, 289.44°)
OKLab	oklab(17.94% -0.0107 -0.0726)
OKLCH	oklch(17.94% 0.073 261.7)
XYZ	xyz(0.7237, 0.5422, 2.9716)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010E31 #312401

analogous

#012631 #010E31 #0C0131

triadic

#010E31 #31010E #0E3101

tetradic

#010E31 #310126 #312401 #01310C

square

#010E31 #310126 #312401 #01310C

split-complementary

#010E31 #310C01 #263101

monochromatic

#01091E #01091E #010E31 #021F6D #0330A9

Accessibility & contrast

On white

18.95

#010E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010E31

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010E31	#FFFFFF	#000000	##FFFFFF
##010E31	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001332

Deuteranopia (green-blind)

#000E30

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #010e31;
/* rgb */ color: rgb(1, 14, 49);
/* oklch */ color: oklch(17.9% 0.073 261.7);

Tailwind

colors: {
  custom: {
    50: '#4a4d69',
    500: '#010e31',
    950: '#000000',
  },
}

SCSS

$custom: #010e31;
$custom-light: #4a4d69;
$custom-dark: #000000;

JSON

{
  "hex": "#010e31",
  "rgb": {
    "r": 1,
    "g": 14,
    "b": 49
  },
  "hsl": {
    "h": 223.75,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17944,
    "c": 0.07341,
    "h": 261.7
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#010E31

secondary

#775D17

accent

#C529FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010E31

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

Preview Lab → · Contrast checker → · Palette generator →