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Recognised as Colour

#1F1ED5

  • #1F1ED5
  • Blue
  • Dark
  • Nearest: Medium blue

#1F1ED5 is a blue with RGB values 31, 30, 213 and HSL 240°, 75%, 48%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1F1ED5#1F1ED5
HEX#1F1ED5
RGBrgb(31, 30, 213)
RGB (0–1)0.1216, 0.1176, 0.8353
RGB percentages12.2%, 11.8%, 83.5%
HSLhsl(240.3, 75.3%, 47.6%)
HSV / HSBhsv(240.3, 85.9%, 83.5%)
CMYK85.4%, 85.9%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,039,509
CSS custom property--colour: #1F1ED5;

Brightness & contrast

Relative luminance0.06024WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.52:1
Contrast with white9.52:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E0E12A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FDAno red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#003BD2no green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#005D7Fno blue cones; rare, and affects men and women equally; ΔE 96 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.52:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.5Blue violet · ΔE 20.4Dark violet · ΔE 25.4Blue · ΔE 26Dark blue · ΔE 27.3Dark orchid · ΔE 31.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4D51E
Analogous#1E79D5, #7B1ED5
Triadic#D51F1E, #1ED51F
Split complementary#D57A1E, #79D51E
Tetradic#D51E78, #D4D51E, #1ED57A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8C8F7
Lighter +30%#9C9BF1
Lighter +20%#6F6EEB
Lighter +10%#4342E4
Darker −10%#1818A8
Darker −20%#12117C
Darker −30%#0B0B4F
Darker −40%#050522
More saturated +25%#0100F3
Less saturated −25%#3D3CB7

Channel breakdown

R31
G30
B213
Red31 (12.2%)
Green30 (11.8%)
Blue213 (83.5%)
Hue240.33°
Saturation (HSL)75.31%
Lightness47.65%
Dominant channelBlue
Hex per channelR 1F · G 1E · B D5

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Every value on this page was computed from “1f1ed5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.