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Recognised as Colour

#455BD2

  • #455BD2
  • Blue
  • Dark
  • Nearest: Royal blue

#455BD2 is a blue with RGB values 69, 91, 210 and HSL 231°, 61%, 55%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#455BD2#455BD2
HEX#455BD2
RGBrgb(69, 91, 210)
RGB (0–1)0.2706, 0.3569, 0.8235
RGB percentages27.1%, 35.7%, 82.4%
HSLhsl(230.6, 61%, 54.7%)
HSV / HSBhsv(230.6, 67.1%, 82.4%)
CMYK67.1%, 56.7%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,490
CSS custom property--colour: #455BD2;

Brightness & contrast

Relative luminance0.13401WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.71:1
Contrast with white5.71:1WCAG normal text: AA
Contrast with black3.68:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#BAA42D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006DD6no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#0060D0no green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#00788Eno 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 text5.71:1WCAG large text: AAA
Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.2Slate blue · ΔE 8.6Medium slateblue · ΔE 13.9Medium purple · ΔE 19.2Rebecca purple · ΔE 23.4Dark slateblue · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.19, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2BC45
Analogous#45A1D2, #7645D2
Triadic#D2455B, #5BD245
Split complementary#D27645, #A1D245
Tetradic#D245A1, #D2BC45, #45D276

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9ECFA
Lighter +30%#C0C8F0
Lighter +20%#97A3E6
Lighter +10%#6E7FDC
Darker −10%#2C42B8
Darker −20%#22338F
Darker −30%#192565
Darker −40%#0F163C
More saturated +25%#2847EF
Less saturated −25%#626FB5

Channel breakdown

R69
G91
B210
Red69 (27.1%)
Green91 (35.7%)
Blue210 (82.4%)
Hue230.64°
Saturation (HSL)61.04%
Lightness54.71%
Dominant channelBlue
Hex per channelR 45 · G 5B · B D2

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Every value on this page was computed from “455bd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.