#30557B#30557B

#30557B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.076 H 250.5°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#30557B
RGBrgb(48, 85, 123)
HSLhsl(210, 44%, 34%)
HSVhsv(210, 61%, 48%)
CMYKcmyk(61%, 30.9%, 0%, 51.8%)
CIE-LABlab(35.11, -0.81, -25.49)
CIE-LCHlch(35.11, 25.51, 268.17°)
OKLaboklab(43.98% -0.0254 -0.0718)
OKLCHoklch(43.98% 0.076 250.5)
XYZxyz(8.0413, 8.5547, 19.9625)
Luminance0.0856 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#30557B #7B5630
analogous
#307A7B #30557B #30307B
triadic
#30557B #7B3055 #557B30
tetradic
#30557B #7B307A #7B5630 #307B30
square
#30557B #7B307A #7B5630 #307B30
split-complementary
#30557B #7B3030 #7A7B30
monochromatic
#0E1823 #1F374F #30557B #4173A7 #6392C2

Accessibility & contrast

On white

7.75
#30557B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#30557B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30557B
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##30557B#FFFFFF#000000##FFFFFF
##30557B1.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45577D
Deuteranopia (green-blind)
#3B4F7A
Tritanopia (blue-blind)
#005E62
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #30557b;
/* rgb */ color: rgb(48, 85, 123);
/* oklch */ color: oklch(44.0% 0.076 250.5);
Tailwind
colors: {
  custom: {
    50: '#6f84a1',
    500: '#30557b',
    950: '#000000',
  },
}
SCSS
$custom: #30557b;
$custom-light: #6f84a1;
$custom-dark: #000000;
JSON
{
  "hex": "#30557b",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 210.4,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43983,
    "c": 0.07616,
    "h": 250.5
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary
#30557B
secondary
#A9845D
accent
#9554D4
background
#F6F8F9
surface
#ECEFF2
border
#C7CACC
text
#080A0F
muted
#7B7C7E

Preview Lab

Preview with #30557B

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

Preview Lab → · Contrast checker → · Palette generator →

#30557B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva