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Recognised as Colour

#1F49EA

  • #1F49EA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#1F49EA is a blue with RGB values 31, 73, 234 and HSL 228°, 83%, 52%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#1F49EA#1F49EA
HEX#1F49EA
RGBrgb(31, 73, 234)
RGB (0–1)0.1216, 0.2863, 0.9176
RGB percentages12.2%, 28.6%, 91.8%
HSLhsl(227.6, 82.9%, 52%)
HSV / HSBhsv(227.6, 86.8%, 91.8%)
CMYK86.8%, 68.8%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,050,538
CSS custom property--colour: #1F49EA;

Brightness & contrast

Relative luminance0.10997WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.56:1
Contrast with white6.56:1WCAG normal text: AA
Contrast with black3.2:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#E0B615

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067EFno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#0054E7no green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#007694no blue cones; rare, and affects men and women equally; ΔE 87.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.56:1WCAG large text: AAA
Contrast with black, large text3.2:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 23Blue violet · ΔE 25.2Medium blue · ΔE 26.4Royal blue · ΔE 28.7Slate blue · ΔE 28.7Dark blue · ΔE 29.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 23.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAC01F
Analogous#1FAEEA, #5A1FEA
Triadic#EA1F49, #49EA1F
Split complementary#EA5B1F, #AEEA1F
Tetradic#EA1FAE, #EAC01F, #1FEA5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE1FB
Lighter +30%#ABBBF7
Lighter +20%#7C95F3
Lighter +10%#4E6FEE
Darker −10%#1237C4
Darker −20%#0E2A95
Darker −30%#0A1D66
Darker −40%#051038
More saturated +25%#0A3DFF
Less saturated −25%#3E5BCB

Channel breakdown

R31
G73
B234
Red31 (12.2%)
Green73 (28.6%)
Blue234 (91.8%)
Hue227.59°
Saturation (HSL)82.86%
Lightness51.96%
Dominant channelBlue
Hex per channelR 1F · G 49 · B EA

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Every value on this page was computed from “1f49ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.