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Recognised as Colour

#455FCB

  • #455FCB
  • Blue
  • Dark
  • Nearest: Royal blue

#455FCB is a blue with RGB values 69, 95, 203 and HSL 228°, 56%, 53%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#455FCB#455FCB
HEX#455FCB
RGBrgb(69, 95, 203)
RGB (0–1)0.2706, 0.3725, 0.7961
RGB percentages27.1%, 37.3%, 79.6%
HSLhsl(228.4, 56.3%, 53.3%)
HSV / HSBhsv(228.4, 66%, 79.6%)
CMYK66%, 53.2%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,546,507
CSS custom property--colour: #455FCB;

Brightness & contrast

Relative luminance0.13761WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#BAA034

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#146ECFno red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#0062C9no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#00798Cno blue cones; rare, and affects men and women equally; ΔE 61.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.4Slate blue · ΔE 10.9Medium purple · ΔE 18.3Medium slateblue · ΔE 18.8Dark slateblue · ΔE 21.5Dodgerblue · ΔE 22.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.38, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBB145
Analogous#45A2CB, #6E45CB
Triadic#CB455F, #5FCB45
Split complementary#CB6E45, #A2CB45
Tetradic#CB45A2, #CBB145, #45CB6E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E8F8
Lighter +30%#BDC6EC
Lighter +20%#95A4E1
Lighter +10%#6D81D6
Darker −10%#3048AD
Darker −20%#253885
Darker −30%#1A275D
Darker −40%#0F1635
More saturated +25%#274DE9
Less saturated −25%#6371AD

Channel breakdown

R69
G95
B203
Red69 (27.1%)
Green95 (37.3%)
Blue203 (79.6%)
Hue228.36°
Saturation (HSL)56.3%
Lightness53.33%
Dominant channelBlue
Hex per channelR 45 · G 5F · B CB

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Every value on this page was computed from “455fcb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.