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Recognised as Colour

#1D20C7

  • #1D20C7
  • Blue
  • Dark
  • Nearest: Medium blue

#1D20C7 is a blue with RGB values 29, 32, 199 and HSL 239°, 75%, 45%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1D20C7#1D20C7
HEX#1D20C7
RGBrgb(29, 32, 199)
RGB (0–1)0.1137, 0.1255, 0.7804
RGB percentages11.4%, 12.5%, 78%
HSLhsl(238.9, 74.6%, 44.7%)
HSV / HSBhsv(238.9, 85.4%, 78%)
CMYK85.4%, 83.9%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,908,935
CSS custom property--colour: #1D20C7;

Brightness & contrast

Relative luminance0.05418WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.08:1
Contrast with white10.08:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E2DF38

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BCBno red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#0039C4no green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#005877no blue cones; rare, and affects men and women equally; ΔE 89.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.08:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.6Dark blue · ΔE 20.5Blue violet · ΔE 21Navy · ΔE 25.5Dark violet · ΔE 26Dark orchid · ΔE 28.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7C41D
Analogous#1D75C7, #6F1DC7
Triadic#C71D20, #20C71D
Split complementary#C76F1D, #75C71D
Tetradic#C71D75, #C7C41D, #1DC76F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBBCF5
Lighter +30%#8E90EF
Lighter +20%#6264E8
Lighter +10%#3538E2
Darker −10%#17199A
Darker −20%#10126E
Darker −30%#0A0B41
Darker −40%#030315
More saturated +25%#0105E3
Less saturated −25%#3A3BAB

Channel breakdown

R29
G32
B199
Red29 (11.4%)
Green32 (12.5%)
Blue199 (78%)
Hue238.94°
Saturation (HSL)74.56%
Lightness44.71%
Dominant channelBlue
Hex per channelR 1D · G 20 · B C7

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Every value on this page was computed from “1d20c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.