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Recognised as Colour

#308DF2

  • #308DF2
  • Blue
  • Dark
  • Nearest: Dodgerblue

#308DF2 is a blue with RGB values 48, 141, 242 and HSL 211°, 88%, 57%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#308DF2#308DF2
HEX#308DF2
RGBrgb(48, 141, 242)
RGB (0–1)0.1882, 0.5529, 0.949
RGB percentages18.8%, 55.3%, 94.9%
HSLhsl(211.2, 88.2%, 56.9%)
HSV / HSBhsv(211.2, 80.2%, 94.9%)
CMYK80.2%, 41.7%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,182,066
CSS custom property--colour: #308DF2;

Brightness & contrast

Relative luminance0.26089WCAG 2.x, 0 is black and 1 is white
Perceived brightness138 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.22:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.22:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#CF720D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A95F6no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#3784F0no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#00A5B4no blue cones; rare, and affects men and women equally; ΔE 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.6Cornflower blue · ΔE 9.8Royal blue · ΔE 21.9Steel blue · ΔE 29.4Medium purple · ΔE 29.9Slate blue · ΔE 30.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.58, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F29530
Analogous#30EEF2, #3430F2
Triadic#F2308D, #8DF230
Split complementary#F23430, #EEF230
Tetradic#F230EE, #F29530, #30F234

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0F7FE
Lighter +30%#C0DCFB
Lighter +20%#90C2F8
Lighter +10%#60A7F5
Darker −10%#0E73E1
Darker −20%#0B5BB1
Darker −30%#084281
Darker −40%#052951
More saturated +25%#238CFF
Less saturated −25%#4C8ED6

Channel breakdown

R48
G141
B242
Red48 (18.8%)
Green141 (55.3%)
Blue242 (94.9%)
Hue211.24°
Saturation (HSL)88.18%
Lightness56.86%
Dominant channelBlue
Hex per channelR 30 · G 8D · B F2

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Every value on this page was computed from “308df2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.