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Recognised as Colour

#4B78DA

  • #4B78DA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4B78DA is a blue with RGB values 75, 120, 218 and HSL 221°, 66%, 57%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4B78DA#4B78DA
HEX#4B78DA
RGBrgb(75, 120, 218)
RGB (0–1)0.2941, 0.4706, 0.8549
RGB percentages29.4%, 47.1%, 85.5%
HSLhsl(221.1, 65.9%, 57.5%)
HSV / HSBhsv(221.1, 65.6%, 85.5%)
CMYK65.6%, 45%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,946,138
CSS custom property--colour: #4B78DA;

Brightness & contrast

Relative luminance0.19991WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5:1
Contrast with white4.2:1WCAG normal text: Fail
Contrast with black5:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#B48725

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4883DEno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#2E75D8no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#008F9Eno blue cones; rare, and affects men and women equally; ΔE 56.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.2:1WCAG large text: AA
Contrast with black, large text5:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 12.9Cornflower blue · ΔE 13.3Royal blue · ΔE 15.2Slate blue · ΔE 21.4Medium purple · ΔE 21.7Dark slateblue · ΔE 26.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 12.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAD4B
Analogous#4BC0DA, #654BDA
Triadic#DA4B78, #78DA4B
Split complementary#DA664B, #BFDA4B
Tetradic#DA4BC0, #DAAD4B, #4BDA66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F7FD
Lighter +30%#CAD7F4
Lighter +20%#A0B7EB
Lighter +10%#7598E3
Darker −10%#295BC9
Darker −20%#21489E
Darker −30%#183574
Darker −40%#0F224A
More saturated +25%#306EF5
Less saturated −25%#6682BF

Channel breakdown

R75
G120
B218
Red75 (29.4%)
Green120 (47.1%)
Blue218 (85.5%)
Hue221.12°
Saturation (HSL)65.9%
Lightness57.45%
Dominant channelBlue
Hex per channelR 4B · G 78 · B DA

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Every value on this page was computed from “4b78da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.