Nerdulator> put something in

Recognised as Colour

#379FDA

  • #379FDA
  • Blue
  • Dark
  • Nearest: Steel blue

#379FDA is a blue with RGB values 55, 159, 218 and HSL 202°, 69%, 54%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#379FDA#379FDA
HEX#379FDA
RGBrgb(55, 159, 218)
RGB (0–1)0.2157, 0.6235, 0.8549
RGB percentages21.6%, 62.4%, 85.5%
HSLhsl(201.7, 68.8%, 53.5%)
HSV / HSBhsv(201.7, 74.8%, 85.5%)
CMYK74.8%, 27.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,645,402
CSS custom property--colour: #379FDA;

Brightness & contrast

Relative luminance0.3067WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.13:1
Contrast with white2.94:1WCAG normal text: Fail
Contrast with black7.13:1WCAG normal text: AAA
Greyscale equivalent#8D8D8D
Inverted#C86025

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#839FDDno red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#6D90D9no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#00AEB3no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.94:1WCAG large text: Fail
Contrast with black, large text7.13:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13Deep skyblue · ΔE 13.5Light skyblue · ΔE 20.1Cornflower blue · ΔE 22.2Sky blue · ΔE 24.6Light slate grey · ΔE 29.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA7237
Analogous#37DAC4, #374DDA
Triadic#DA379F, #9FDA37
Split complementary#DA374D, #DAC437
Tetradic#C437DA, #DA7237, #4DDA37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3F2FA
Lighter +30%#B8DDF2
Lighter +20%#8DC8EA
Lighter +10%#62B4E2
Darker −10%#2384BB
Darker −20%#1B6690
Darker −30%#134765
Darker −40%#0B293A
More saturated +25%#19A7F8
Less saturated −25%#5597BC

Channel breakdown

R55
G159
B218
Red55 (21.6%)
Green159 (62.4%)
Blue218 (85.5%)
Hue201.72°
Saturation (HSL)68.78%
Lightness53.53%
Dominant channelBlue
Hex per channelR 37 · G 9F · B DA

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 “379fda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.