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Recognised as Colour

#2355CC

  • #2355CC
  • Blue
  • Dark
  • Nearest: Royal blue

#2355CC is a blue with RGB values 35, 85, 204 and HSL 222°, 71%, 47%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2355CC#2355CC
HEX#2355CC
RGBrgb(35, 85, 204)
RGB (0–1)0.1373, 0.3333, 0.8
RGB percentages13.7%, 33.3%, 80%
HSLhsl(222.2, 70.7%, 46.9%)
HSV / HSBhsv(222.2, 82.8%, 80%)
CMYK82.8%, 58.3%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,315,724
CSS custom property--colour: #2355CC;

Brightness & contrast

Relative luminance0.11214WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#DCAA33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066D0no red cones; affects about 1% of men; ΔE 13 from the original
Deuteranopia#0057CAno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#007388no blue cones; rare, and affects men and women equally; ΔE 66.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.2Slate blue · ΔE 12.7Medium slateblue · ΔE 17.8Medium purple · ΔE 23.7Rebecca purple · ΔE 25.1Dark slateblue · ΔE 25.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC9A23
Analogous#23A9CC, #4623CC
Triadic#CC2355, #55CC23
Split complementary#CC4623, #A9CC23
Tetradic#CC23A9, #CC9A23, #23CC46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6D4F5
Lighter +30%#9AB3EE
Lighter +20%#6F92E6
Lighter +10%#4371DF
Darker −10%#1C43A0
Darker −20%#143175
Darker −30%#0D1F49
Darker −40%#050C1E
More saturated +25%#0549EA
Less saturated −25%#4161AE

Channel breakdown

R35
G85
B204
Red35 (13.7%)
Green85 (33.3%)
Blue204 (80%)
Hue222.25°
Saturation (HSL)70.71%
Lightness46.86%
Dominant channelBlue
Hex per channelR 23 · G 55 · B CC

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Every value on this page was computed from “2355cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.