#03243B#03243B

#03243B is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.057 H 243.8°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX#03243B
RGBrgb(3, 36, 59)
HSLhsl(205, 90%, 12%)
HSVhsv(205, 95%, 23%)
CMYKcmyk(94.9%, 39%, 0%, 76.9%)
CIE-LABlab(13.21, -1.68, -18.10)
CIE-LCHlch(13.21, 18.18, 264.68°)
OKLaboklab(25.07% -0.0253 -0.0515)
OKLCHoklch(25.07% 0.057 243.8)
XYZxyz(1.4575, 1.5967, 4.3682)
Luminance0.0160 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#03243B #3B1A03
analogous
#033B36 #03243B #03083B
triadic
#03243B #3B0324 #243B03
tetradic
#03243B #36033B #3B1A03 #083B03
square
#03243B #36033B #3B1A03 #083B03
split-complementary
#03243B #3B0308 #3B3603
monochromatic
#01121D #01121D #03243B #064875 #096BAF

Accessibility & contrast

On white

15.92
#03243B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#03243B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03243B
15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##03243B#FFFFFF#000000##FFFFFF
##03243B1.0015.921.3215.92
#FFFFFF15.921.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#19253C
Deuteranopia (green-blind)
#11203B
Tritanopia (blue-blind)
#002A2C
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #03243b;
/* rgb */ color: rgb(3, 36, 59);
/* oklch */ color: oklch(25.1% 0.057 243.8);
Tailwind
colors: {
  custom: {
    50: '#4e5e71',
    500: '#03243b',
    950: '#000000',
  },
}
SCSS
$custom: #03243b;
$custom-light: #4e5e71;
$custom-dark: #000000;
JSON
{
  "hex": "#03243b",
  "rgb": {
    "r": 3,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 204.643,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.25065,
    "c": 0.05741,
    "h": 243.8
  },
  "luminance": 0.01597
}

Semantic roles & 50–950 ramp

primary
#03243B
secondary
#7E441C
accent
#8129FF
background
#F4F5F6
surface
#E7E9EC
border
#C3C5C7
text
#020407
muted
#78797A

Preview Lab

Preview with #03243B

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

Preview Lab → · Contrast checker → · Palette generator →

#03243B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva