Nerdulator> put something in

Recognised as Colour

#305F71

  • #305F71
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#305F71 is a cyan with RGB values 48, 95, 113 and HSL 197°, 40%, 32%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#305F71#305F71
HEX#305F71
RGBrgb(48, 95, 113)
RGB (0–1)0.1882, 0.3725, 0.4431
RGB percentages18.8%, 37.3%, 44.3%
HSLhsl(196.6, 40.4%, 31.6%)
HSV / HSBhsv(196.6, 57.5%, 44.3%)
CMYK57.5%, 15.9%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,170,161
CSS custom property--colour: #305F71;

Brightness & contrast

Relative luminance0.10005WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7:1
Contrast with white7:1WCAG normal text: AA
Contrast with black3:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#CFA08E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555D72no red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#4C5671no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#006465no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7:1WCAG large text: AAA
Contrast with black, large text3:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 13.2Slate grey · ΔE 17.7Dim grey · ΔE 19.4Light slate grey · ΔE 20.2Teal · ΔE 22.2Steel blue · ΔE 23.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.21, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#714230
Analogous#307163, #303E71
Triadic#71305F, #5F7130
Split complementary#71303E, #716330
Tetradic#633071, #714230, #3E7130

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99C4D4
Lighter +30%#75AFC5
Lighter +20%#529AB5
Lighter +10%#3F7D95
Darker −10%#21414D
Darker −20%#122329
Darker −30%#020506
Darker −40%#000000
More saturated +25%#1C6885
Less saturated −25%#44565D

Channel breakdown

R48
G95
B113
Red48 (18.8%)
Green95 (37.3%)
Blue113 (44.3%)
Hue196.62°
Saturation (HSL)40.37%
Lightness31.57%
Dominant channelBlue
Hex per channelR 30 · G 5F · B 71

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 “305f71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.