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Recognised as Colour

#1D45CD

  • #1D45CD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#1D45CD is a blue with RGB values 29, 69, 205 and HSL 226°, 75%, 46%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#1D45CD#1D45CD
HEX#1D45CD
RGBrgb(29, 69, 205)
RGB (0–1)0.1137, 0.2706, 0.8039
RGB percentages11.4%, 27.1%, 80.4%
HSLhsl(226.4, 75.2%, 45.9%)
HSV / HSBhsv(226.4, 85.9%, 80.4%)
CMYK85.9%, 66.3%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,918,413
CSS custom property--colour: #1D45CD;

Brightness & contrast

Relative luminance0.08925WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.54:1
Contrast with white7.54:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#E2BA32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DD1no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#004CCBno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#006A83no blue cones; rare, and affects men and women equally; ΔE 75.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.54:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 18.4Slate blue · ΔE 18.5Royal blue · ΔE 18.9Dark blue · ΔE 24.7Navy · ΔE 26.1Rebecca purple · ΔE 26.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDA51D
Analogous#1D9DCD, #4D1DCD
Triadic#CD1D45, #45CD1D
Split complementary#CD4D1D, #9DCD1D
Tetradic#CD1D9D, #CDA51D, #1DCD4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0CCF6
Lighter +30%#93A8F0
Lighter +20%#6784E9
Lighter +10%#3A60E3
Darker −10%#1736A0
Darker −20%#102774
Darker −30%#0A1847
Darker −40%#04091A
More saturated +25%#0035EA
Less saturated −25%#3A55B0

Channel breakdown

R29
G69
B205
Red29 (11.4%)
Green69 (27.1%)
Blue205 (80.4%)
Hue226.36°
Saturation (HSL)75.21%
Lightness45.88%
Dominant channelBlue
Hex per channelR 1D · G 45 · B CD

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Every value on this page was computed from “1d45cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.