#010F30#010F30

#010F30 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.1% C 0.070 H 260.7°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#010F30
RGB	rgb(1, 15, 48)
HSL	hsl(222, 96%, 10%)
HSV	hsv(222, 98%, 19%)
CMYK	cmyk(97.9%, 68.7%, 0%, 81.2%)
CIE-LAB	lab(5.07, 7.50, -23.17)
CIE-LCH	lch(5.07, 24.35, 287.93°)
OKLab	oklab(18.09% -0.0114 -0.0693)
OKLCH	oklch(18.09% 0.07 260.7)
XYZ	xyz(0.7166, 0.5614, 2.8663)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F30 #302201

analogous

#012730 #010F30 #0B0130

triadic

#010F30 #30010F #0F3001

tetradic

#010F30 #300127 #302201 #01300B

square

#010F30 #300127 #302201 #01300B

split-complementary

#010F30 #300B01 #273001

monochromatic

#01091E #01091E #010F30 #02226C #0334A8

Accessibility & contrast

On white

18.88

#010F30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#010F30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F30

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F30	#FFFFFF	#000000	##FFFFFF
##010F30	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001331

Deuteranopia (green-blind)

#000F2F

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #010f30;
/* rgb */ color: rgb(1, 15, 48);
/* oklch */ color: oklch(18.1% 0.070 260.7);

Tailwind

colors: {
  custom: {
    50: '#494d68',
    500: '#010f30',
    950: '#000000',
  },
}

SCSS

$custom: #010f30;
$custom-light: #494d68;
$custom-dark: #000000;

JSON

{
  "hex": "#010f30",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 48
  },
  "hsl": {
    "h": 222.128,
    "s": 95.918,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18091,
    "c": 0.07022,
    "h": 260.7
  },
  "luminance": 0.00562
}

Semantic roles & 50–950 ramp

primary

#010F30

secondary

#765A17

accent

#BF29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010F30

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

Preview Lab → · Contrast checker → · Palette generator →