Nerdulator> put something in

Colour

#455BDF

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

#455BDF is a blue with RGB values 69, 91, 223 and HSL 231°, 71%, 57%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#455BDF#455BDF
HEX#455BDF
RGBrgb(69, 91, 223)
RGB (0–1)0.2706, 0.3569, 0.8745
RGB percentages27.1%, 35.7%, 87.5%
HSLhsl(231.4, 70.6%, 57.3%)
HSV / HSBhsv(231.4, 69.1%, 87.5%)
CMYK69.1%, 59.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,503
CSS custom property--colour: #455BDF;

Brightness & contrast

Relative luminance0.14075WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.5:1
Contrast with white5.5:1WCAG normal text: AA
Contrast with black3.82:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#BAA420

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0070E3no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#0062DCno green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#007C94no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.5:1WCAG large text: AAA
Contrast with black, large text3.82:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.3Medium slateblue · ΔE 10.9Slate blue · ΔE 12.1Medium purple · ΔE 22.5Rebecca purple · ΔE 26.6Dodgerblue · ΔE 29.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFC945
Analogous#45A8DF, #7C45DF
Triadic#DF455B, #5BDF45
Split complementary#DF7C45, #A8DF45
Tetradic#DF45A8, #DFC945, #45DF7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F4FD
Lighter +30%#C8CEF5
Lighter +20%#9CA8EE
Lighter +10%#7181E6
Darker −10%#233CCE
Darker −20%#1C2FA2
Darker −30%#142277
Darker −40%#0D164B
More saturated +25%#2A48FA
Less saturated −25%#606EC4

Channel breakdown

R69
G91
B223
Red69 (27.1%)
Green91 (35.7%)
Blue223 (87.5%)
Hue231.43°
Saturation (HSL)70.64%
Lightness57.25%
Dominant channelBlue
Hex per channelR 45 · G 5B · B DF

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 “455bdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.