Nerdulator> put something in

Colour

#047EFD

  • #047EFD
  • Blue
  • Dark
  • Nearest: Royal blue

#047EFD is a blue with RGB values 4, 126, 253 and HSL 211°, 98%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#047EFD#047EFD
HEX#047EFD
RGBrgb(4, 126, 253)
RGB (0–1)0.0157, 0.4941, 0.9922
RGB percentages1.6%, 49.4%, 99.2%
HSLhsl(210.6, 98.4%, 50.4%)
HSV / HSBhsv(210.6, 98.4%, 99.2%)
CMYK98.4%, 50.2%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer294,653
CSS custom property--colour: #047EFD;

Brightness & contrast

Relative luminance0.22039WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.88:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#FB8102

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#258CFFno red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#0078FBno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#009DB2no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.88:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.9Dodgerblue · ΔE 13.1Medium slateblue · ΔE 22.5Slate blue · ΔE 22.9Cornflower blue · ΔE 25Medium purple · ΔE 27.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD8304
Analogous#04FAFD, #0704FD
Triadic#FD047E, #7EFD04
Split complementary#FD0704, #FAFD04
Tetradic#FD04FA, #FD8304, #04FD07

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEE6FF
Lighter +30%#9CCCFE
Lighter +20%#69B2FE
Lighter +10%#3798FD
Darker −10%#0265CC
Darker −20%#014C9A
Darker −30%#013367
Darker −40%#001A35
More saturated +25%#027EFF
Less saturated −25%#247FDD

Channel breakdown

R4
G126
B253
Red4 (1.6%)
Green126 (49.4%)
Blue253 (99.2%)
Hue210.6°
Saturation (HSL)98.42%
Lightness50.39%
Dominant channelBlue
Hex per channelR 04 · G 7E · B FD

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 “047efd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.