Nerdulator> put something in

Colour

#303F45

  • #303F45
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#303F45 is a cyan with RGB values 48, 63, 69 and HSL 197°, 18%, 23%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#303F45#303F45
HEX#303F45
RGBrgb(48, 63, 69)
RGB (0–1)0.1882, 0.2471, 0.2706
RGB percentages18.8%, 24.7%, 27.1%
HSLhsl(197.1, 17.9%, 22.9%)
HSV / HSBhsv(197.1, 30.4%, 27.1%)
CMYK30.4%, 8.7%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,161,925
CSS custom property--colour: #303F45;

Brightness & contrast

Relative luminance0.04613WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.92:1
Contrast with white10.92:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#CFC0BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3E45no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#383C45no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#294141no blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.92:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.5Dim grey · ΔE 20.1Black · ΔE 26.6Slate grey · ΔE 27.8Gray · ΔE 28.9Light slate grey · ΔE 30.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.46, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#453630
Analogous#304540, #303545
Triadic#45303F, #3F4530
Split complementary#453035, #454030
Tetradic#413045, #453630, #354530

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90A8B1
Lighter +30%#71909D
Lighter +20%#5A7681
Lighter +10%#455A63
Darker −10%#1B2427
Darker −20%#060809
Darker −30%#000000
Darker −40%#000000
More saturated +25%#214554
Less saturated −25%#3B3B3B

Channel breakdown

R48
G63
B69
Red48 (18.8%)
Green63 (24.7%)
Blue69 (27.1%)
Hue197.14°
Saturation (HSL)17.95%
Lightness22.94%
Dominant channelBlue
Hex per channelR 30 · G 3F · B 45

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “303f45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.