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Colour

#425CBF

  • #425CBF
  • Blue
  • Dark
  • Nearest: Royal blue

#425CBF is a blue with RGB values 66, 92, 191 and HSL 228°, 49%, 50%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#425CBF#425CBF
HEX#425CBF
RGBrgb(66, 92, 191)
RGB (0–1)0.2588, 0.3608, 0.749
RGB percentages25.9%, 36.1%, 74.9%
HSLhsl(227.5, 49.4%, 50.4%)
HSV / HSBhsv(227.5, 65.4%, 74.9%)
CMYK65.4%, 51.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,349,119
CSS custom property--colour: #425CBF;

Brightness & contrast

Relative luminance0.12574WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.97:1
Contrast with white5.97:1WCAG normal text: AA
Contrast with black3.51:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#BDA340

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2069C3no red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#005EBDno green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#007384no blue cones; rare, and affects men and women equally; ΔE 57.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.97:1WCAG large text: AAA
Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Royal blue · ΔE 12.3Slate blue · ΔE 14.2Dark slateblue · ΔE 17.5Medium purple · ΔE 19.8Dodgerblue · ΔE 22.9Medium slateblue · ΔE 23.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFA542
Analogous#429BBF, #6642BF
Triadic#BF425C, #5CBF42
Split complementary#BF6642, #9BBF42
Tetradic#BF429B, #BFA542, #42BF66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DADFF3
Lighter +30%#B4BFE6
Lighter +20%#8E9ED9
Lighter +10%#687DCC
Darker −10%#34499A
Darker −20%#273774
Darker −30%#1A254E
Darker −40%#0D1328
More saturated +25%#224ADF
Less saturated −25%#626E9F

Channel breakdown

R66
G92
B191
Red66 (25.9%)
Green92 (36.1%)
Blue191 (74.9%)
Hue227.52°
Saturation (HSL)49.41%
Lightness50.39%
Dominant channelBlue
Hex per channelR 42 · G 5C · B BF

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Every value on this page was computed from “425cbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.