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Colour

#047BBF

  • #047BBF
  • Blue
  • Dark
  • Nearest: Steel blue

#047BBF is a blue with RGB values 4, 123, 191 and HSL 202°, 96%, 38%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#047BBF#047BBF
HEX#047BBF
RGBrgb(4, 123, 191)
RGB (0–1)0.0157, 0.4824, 0.749
RGB percentages1.6%, 48.2%, 74.9%
HSLhsl(201.8, 95.9%, 38.2%)
HSV / HSBhsv(201.8, 97.9%, 74.9%)
CMYK97.9%, 35.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer293,823
CSS custom property--colour: #047BBF;

Brightness & contrast

Relative luminance0.17953WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#676767
Inverted#FB8440

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A7EC2no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#416FBEno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#008C94no blue cones; rare, and affects men and women equally; ΔE 39.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.57:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.6Cornflower blue · ΔE 18.5Dodgerblue · ΔE 25.8Deep skyblue · ΔE 27.4Light slate grey · ΔE 32.9Slate grey · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF4804
Analogous#04BFA5, #041EBF
Triadic#BF047B, #7BBF04
Split complementary#BF041E, #BFA504
Tetradic#A504BF, #BF4804, #1EBF04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92D6FD
Lighter +30%#60C3FC
Lighter +20%#2EB0FB
Lighter +10%#059BF1
Darker −10%#035B8D
Darker −20%#023B5B
Darker −30%#011A29
Darker −40%#000000
More saturated +25%#007CC3
Less saturated −25%#1C74A7

Channel breakdown

R4
G123
B191
Red4 (1.6%)
Green123 (48.2%)
Blue191 (74.9%)
Hue201.82°
Saturation (HSL)95.9%
Lightness38.24%
Dominant channelBlue
Hex per channelR 04 · G 7B · B BF

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Every value on this page was computed from “047bbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.