#303F4E#303F4E

#303F4E is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.033 H 248.8°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX#303F4E
RGBrgb(48, 63, 78)
HSLhsl(210, 24%, 25%)
HSVhsv(210, 38%, 31%)
CMYKcmyk(38.5%, 19.2%, 0%, 69.4%)
CIE-LABlab(25.96, -1.73, -11.03)
CIE-LCHlch(25.96, 11.17, 261.10°)
OKLaboklab(36.09% -0.0118 -0.0304)
OKLCHoklch(36.09% 0.033 248.8)
XYZxyz(4.3711, 4.7332, 7.8895)
Luminance0.0473 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#303F4E #4E3F30
analogous
#304E4E #303F4E #30304E
triadic
#303F4E #4E303F #3F4E30
tetradic
#303F4E #4E304E #4E3F30 #304E30
square
#303F4E #4E304E #4E3F30 #304E30
split-complementary
#303F4E #4E3030 #4E4E30
monochromatic
#0C0F13 #192028 #303F4E #475E74 #5F7C9A

Accessibility & contrast

On white

10.79
#303F4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#303F4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303F4E
10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##303F4E#FFFFFF#000000##FFFFFF
##303F4E1.0010.791.9510.79
#FFFFFF10.791.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393F4F
Deuteranopia (green-blind)
#363C4E
Tritanopia (blue-blind)
#264244
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #303f4e;
/* rgb */ color: rgb(48, 63, 78);
/* oklch */ color: oklch(36.1% 0.033 248.8);
Tailwind
colors: {
  custom: {
    50: '#69747f',
    500: '#303f4e',
    950: '#000000',
  },
}
SCSS
$custom: #303f4e;
$custom-light: #69747f;
$custom-dark: #000000;
JSON
{
  "hex": "#303f4e",
  "rgb": {
    "r": 48,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 23.81,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36094,
    "c": 0.03262,
    "h": 248.8
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary
#303F4E
secondary
#7F6D5B
accent
#9468C0
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#06080A
muted
#7A7B7C

Preview Lab

Preview with #303F4E

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

Preview Lab → · Contrast checker → · Palette generator →

#303F4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva