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Colour

#1D75D9

  • #1D75D9
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1D75D9 is a blue with RGB values 29, 117, 217 and HSL 212°, 76%, 48%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1D75D9#1D75D9
HEX#1D75D9
RGBrgb(29, 117, 217)
RGB (0–1)0.1137, 0.4588, 0.851
RGB percentages11.4%, 45.9%, 85.1%
HSLhsl(211.9, 76.4%, 48.2%)
HSV / HSBhsv(211.9, 86.6%, 85.1%)
CMYK86.6%, 46.1%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,930,713
CSS custom property--colour: #1D75D9;

Brightness & contrast

Relative luminance0.17994WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.6:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.6:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#E28A26

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D7EDDno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#006ED7no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#008D9Cno blue cones; rare, and affects men and women equally; ΔE 56.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.57:1WCAG large text: AAA
Contrast with black, large text4.6:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.4Cornflower blue · ΔE 15.5Royal blue · ΔE 16Slate blue · ΔE 24.3Medium purple · ΔE 26.6Dark slateblue · ΔE 28.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D9811D
Analogous#1DD3D9, #231DD9
Triadic#D91D75, #75D91D
Split complementary#D9231D, #D3D91D
Tetradic#D91DD3, #D9811D, #1DD923

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAE0F8
Lighter +30%#9DC5F2
Lighter +20%#70AAEC
Lighter +10%#438FE6
Darker −10%#175DAC
Darker −20%#11447F
Darker −30%#0B2C52
Darker −40%#051425
More saturated +25%#0073F6
Less saturated −25%#3C77BA

Channel breakdown

R29
G117
B217
Red29 (11.4%)
Green117 (45.9%)
Blue217 (85.1%)
Hue211.91°
Saturation (HSL)76.42%
Lightness48.24%
Dominant channelBlue
Hex per channelR 1D · G 75 · B D9

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Every value on this page was computed from “1d75d9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.