#09283B#09283B

#09283B is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.050 H 239.8°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#09283B
RGB	rgb(9, 40, 59)
HSL	hsl(203, 74%, 13%)
HSV	hsv(203, 85%, 23%)
CMYK	cmyk(84.7%, 32.2%, 0%, 76.9%)
CIE-LAB	lab(14.91, -3.47, -15.42)
CIE-LCH	lch(14.91, 15.81, 257.31°)
OKLab	oklab(26.47% -0.0253 -0.0436)
OKLCH	oklch(26.47% 0.05 239.8)
XYZ	xyz(1.6606, 1.8912, 4.4144)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09283B #3B1C09

analogous

#093B35 #09283B #090F3B

triadic

#09283B #3B0928 #283B09

tetradic

#09283B #35093B #3B1C09 #0F3B09

square

#09283B #35093B #3B1C09 #0F3B09

split-complementary

#09283B #3B090F #3B3509

monochromatic

#04121B #04121B #09283B #114C70 #1970A5

Accessibility & contrast

On white

15.24

#09283B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#09283B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09283B

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09283B	#FFFFFF	#000000	##FFFFFF
##09283B	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F283C

Deuteranopia (green-blind)

#18233B

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #09283b;
/* rgb */ color: rgb(9, 40, 59);
/* oklch */ color: oklch(26.5% 0.050 239.8);

Tailwind

colors: {
  custom: {
    50: '#516171',
    500: '#09283b',
    950: '#000000',
  },
}

SCSS

$custom: #09283b;
$custom-light: #516171;
$custom-dark: #000000;

JSON

{
  "hex": "#09283b",
  "rgb": {
    "r": 9,
    "g": 40,
    "b": 59
  },
  "hsl": {
    "h": 202.8,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.26471,
    "c": 0.05038,
    "h": 239.8
  },
  "luminance": 0.01891
}

Semantic roles & 50–950 ramp

primary

#09283B

secondary

#794627

accent

#7E38F0

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #09283B

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

Preview Lab → · Contrast checker → · Palette generator →