#090A4E#090A4E

#090A4E is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.4% C 0.118 H 270.1°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#090A4E
RGB	rgb(9, 10, 78)
HSL	hsl(239, 79%, 17%)
HSV	hsv(239, 88%, 31%)
CMYK	cmyk(88.5%, 87.2%, 0%, 69.4%)
CIE-LAB	lab(7.45, 26.95, -40.75)
CIE-LCH	lch(7.45, 48.85, 303.48°)
OKLab	oklab(21.37% 0.0001 -0.1181)
OKLCH	oklch(21.37% 0.118 270.1)
XYZ	xyz(1.5959, 0.8250, 7.2814)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090A4E #4E4D09

analogous

#092D4E #090A4E #2A094E

triadic

#090A4E #4E090A #0A4E09

tetradic

#090A4E #4E092D #4E4D09 #094E2A

square

#090A4E #4E092D #4E4D09 #094E2A

split-complementary

#090A4E #4E2A09 #2D4E09

monochromatic

#03041B #03041B #090A4E #0F1185 #1618BC

Accessibility & contrast

On white

18.03

#090A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#090A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090A4E

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090A4E	#FFFFFF	#000000	##FFFFFF
##090A4E	1.00	18.03	1.17	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A50

Deuteranopia (green-blind)

#00134D

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #090a4e;
/* rgb */ color: rgb(9, 10, 78);
/* oklch */ color: oklch(21.4% 0.118 270.1);

Tailwind

colors: {
  custom: {
    50: '#584a81',
    500: '#090a4e',
    950: '#000000',
  },
}

SCSS

$custom: #090a4e;
$custom-light: #584a81;
$custom-dark: #000000;

JSON

{
  "hex": "#090a4e",
  "rgb": {
    "r": 9,
    "g": 10,
    "b": 78
  },
  "hsl": {
    "h": 239.13,
    "s": 79.31,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2137,
    "c": 0.11806,
    "h": 270.1
  },
  "luminance": 0.00825
}

Semantic roles & 50–950 ramp

primary

#090A4E

secondary

#8B8A28

accent

#F332F6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #090A4E

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

Preview Lab → · Contrast checker → · Palette generator →