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Recognised as Colour

#1D44FB

  • #1D44FB
  • Blue
  • Dark
  • Nearest: Medium blue

#1D44FB is a blue with RGB values 29, 68, 251 and HSL 229°, 97%, 55%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1D44FB#1D44FB
HEX#1D44FB
RGBrgb(29, 68, 251)
RGB (0–1)0.1137, 0.2667, 0.9843
RGB percentages11.4%, 26.7%, 98.4%
HSLhsl(229.5, 96.5%, 54.9%)
HSV / HSBhsv(229.5, 88.4%, 98.4%)
CMYK88.4%, 72.9%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,918,203
CSS custom property--colour: #1D44FB;

Brightness & contrast

Relative luminance0.1136WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.42:1
Contrast with white6.42:1WCAG normal text: AA
Contrast with black3.27:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#E2BB04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069FFno red cones; affects about 1% of men; ΔE 26.2 from the original
Deuteranopia#0054F8no green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#007A9Cno blue cones; rare, and affects men and women equally; ΔE 97.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.42:1WCAG large text: AAA
Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Medium blue · ΔE 19.4Blue violet · ΔE 23.1Blue · ΔE 29.6Dark violet · ΔE 30.6Medium slateblue · ΔE 32.8Dark orchid · ΔE 34
Nearest named CSS colourMedium blue (#0000CD)ΔE 19.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBD41D
Analogous#1DB3FB, #651DFB
Triadic#FB1D44, #44FB1D
Split complementary#FB651D, #B3FB1D
Tetradic#FB1DB3, #FBD41D, #1DFB65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EAFF
Lighter +30%#B3C0FE
Lighter +20%#8197FD
Lighter +10%#4F6DFC
Darker −10%#042BE1
Darker −20%#0321AF
Darker −30%#02187D
Darker −40%#010E4B
More saturated +25%#1941FF
Less saturated −25%#3A57DE

Channel breakdown

R29
G68
B251
Red29 (11.4%)
Green68 (26.7%)
Blue251 (98.4%)
Hue229.46°
Saturation (HSL)96.52%
Lightness54.9%
Dominant channelBlue
Hex per channelR 1D · G 44 · B FB

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Every value on this page was computed from “1d44fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.