#303D4E#303D4E

#303D4E is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.034 H 255.3°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX#303D4E
RGBrgb(48, 61, 78)
HSLhsl(214, 24%, 25%)
HSVhsv(214, 38%, 31%)
CMYKcmyk(38.5%, 21.8%, 0%, 69.4%)
CIE-LABlab(25.31, -0.41, -12.03)
CIE-LCHlch(25.31, 12.04, 268.04°)
OKLaboklab(35.58% -0.0087 -0.0332)
OKLCHoklch(35.58% 0.034 255.3)
XYZxyz(4.2624, 4.5157, 7.8533)
Luminance0.0452 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#303D4E #4E4130
analogous
#304C4E #303D4E #32304E
triadic
#303D4E #4E303D #3D4E30
tetradic
#303D4E #4E304C #4E4130 #304E32
square
#303D4E #4E304C #4E4130 #304E32
split-complementary
#303D4E #4E3230 #4C4E30
monochromatic
#0C0F13 #191F28 #303D4E #475B74 #5F789A

Accessibility & contrast

On white

11.03
#303D4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#303D4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303D4E
11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##303D4E#FFFFFF#000000##FFFFFF
##303D4E1.0011.031.9011.03
#FFFFFF11.031.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#373E4F
Deuteranopia (green-blind)
#333B4E
Tritanopia (blue-blind)
#274143
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #303d4e;
/* rgb */ color: rgb(48, 61, 78);
/* oklch */ color: oklch(35.6% 0.034 255.3);
Tailwind
colors: {
  custom: {
    50: '#69727f',
    500: '#303d4e',
    950: '#000000',
  },
}
SCSS
$custom: #303d4e;
$custom-light: #69727f;
$custom-dark: #000000;
JSON
{
  "hex": "#303d4e",
  "rgb": {
    "r": 48,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 214,
    "s": 23.81,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.03433,
    "h": 255.3
  },
  "luminance": 0.04516
}

Semantic roles & 50–950 ramp

primary
#303D4E
secondary
#7F6F5B
accent
#9A68C0
background
#F6F6F7
surface
#EBECEE
border
#C6C7C9
text
#06080A
muted
#7A7B7C

Preview Lab

Preview with #303D4E

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

Preview Lab → · Contrast checker → · Palette generator →

#303D4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva