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Recognised as Colour

#1B85FF

  • #1B85FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1B85FF is a blue with RGB values 27, 133, 255 and HSL 212°, 100%, 55%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1B85FF#1B85FF
HEX#1B85FF
RGBrgb(27, 133, 255)
RGB (0–1)0.1059, 0.5216, 1
RGB percentages10.6%, 52.2%, 100%
HSLhsl(212.1, 100%, 55.3%)
HSV / HSBhsv(212.1, 89.4%, 100%)
CMYK89.4%, 47.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,803,775
CSS custom property--colour: #1B85FF;

Brightness & contrast

Relative luminance0.24228WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.85:1
Contrast with white3.59:1WCAG normal text: Fail
Contrast with black5.85:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#E47A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B91FFno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#007EFDno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00A3B6no blue cones; rare, and affects men and women equally; ΔE 66.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.59:1WCAG large text: AA
Contrast with black, large text5.85:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.8Royal blue · ΔE 13.3Cornflower blue · ΔE 21.1Slate blue · ΔE 24.8Medium slateblue · ΔE 25.1Medium purple · ΔE 27.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF951B
Analogous#1BF7FF, #231BFF
Triadic#FF1B85, #85FF1B
Split complementary#FF231B, #F7FF1B
Tetradic#FF1BF7, #FF951B, #1BFF23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F2FF
Lighter +30%#B4D7FF
Lighter +20%#81BCFF
Lighter +10%#4EA0FF
Darker −10%#006BE7
Darker −20%#0054B4
Darker −30%#003C81
Darker −40%#00244E
More saturated +25%#1B85FF
Less saturated −25%#3787E3

Channel breakdown

R27
G133
B255
Red27 (10.6%)
Green133 (52.2%)
Blue255 (100%)
Hue212.11°
Saturation (HSL)100%
Lightness55.29%
Dominant channelBlue
Hex per channelR 1B · G 85 · B FF

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Every value on this page was computed from “1b85ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.