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Recognised as Colour

#1F61DC

  • #1F61DC
  • Blue
  • Dark
  • Nearest: Royal blue

#1F61DC is a blue with RGB values 31, 97, 220 and HSL 219°, 75%, 49%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1F61DC#1F61DC
HEX#1F61DC
RGBrgb(31, 97, 220)
RGB (0–1)0.1216, 0.3804, 0.8627
RGB percentages12.2%, 38%, 86.3%
HSLhsl(219, 75.3%, 49.2%)
HSV / HSBhsv(219, 85.9%, 86.3%)
CMYK85.9%, 55.9%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,056,668
CSS custom property--colour: #1F61DC;

Brightness & contrast

Relative luminance0.14008WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#E09E23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E0no red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#0060DAno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#008095no blue cones; rare, and affects men and women equally; ΔE 68.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Royal blue · ΔE 4.7Slate blue · ΔE 14.5Medium slateblue · ΔE 17.1Dodgerblue · ΔE 22.7Medium purple · ΔE 23.7Rebecca purple · ΔE 29.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.71, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC9A1F
Analogous#1FC0DC, #3B1FDC
Triadic#DC1F61, #61DC1F
Split complementary#DC3B1F, #C0DC1F
Tetradic#DC1FC0, #DC9A1F, #1FDC3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFDDF8
Lighter +30%#A2BEF2
Lighter +20%#759FEC
Lighter +10%#497FE5
Darker −10%#194DAF
Darker −20%#123A83
Darker −30%#0C2656
Darker −40%#061229
More saturated +25%#0058FB
Less saturated −25%#3E6ABD

Channel breakdown

R31
G97
B220
Red31 (12.2%)
Green97 (38%)
Blue220 (86.3%)
Hue219.05°
Saturation (HSL)75.3%
Lightness49.22%
Dominant channelBlue
Hex per channelR 1F · G 61 · B DC

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Every value on this page was computed from “1f61dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.