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Recognised as Colour

#037DE1

  • #037DE1
  • Blue
  • Dark
  • Nearest: Dodgerblue

#037DE1 is a blue with RGB values 3, 125, 225 and HSL 207°, 97%, 45%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#037DE1#037DE1
HEX#037DE1
RGBrgb(3, 125, 225)
RGB (0–1)0.0118, 0.4902, 0.8824
RGB percentages1.2%, 49%, 88.2%
HSLhsl(207, 97.4%, 44.7%)
HSV / HSBhsv(207, 98.7%, 88.2%)
CMYK98.7%, 44.4%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer228,833
CSS custom property--colour: #037DE1;

Brightness & contrast

Relative luminance0.20123WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.02:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.02:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#FC821E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4685E5no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#1074DFno green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#0095A4no blue cones; rare, and affects men and women equally; ΔE 55.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.8Cornflower blue · ΔE 13.7Royal blue · ΔE 18.9Slate blue · ΔE 27.8Medium purple · ΔE 29.2Steel blue · ΔE 29.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E16703
Analogous#03E1D6, #030EE1
Triadic#E1037D, #7DE103
Split complementary#E1030E, #E1D603
Tetradic#D603E1, #E16703, #0EE103

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2DCFE
Lighter +30%#80C5FD
Lighter +20%#4DAEFD
Lighter +10%#1B97FC
Darker −10%#0261AF
Darker −20%#02457C
Darker −30%#01294A
Darker −40%#000D18
More saturated +25%#007DE4
Less saturated −25%#1F7AC4

Channel breakdown

R3
G125
B225
Red3 (1.2%)
Green125 (49%)
Blue225 (88.2%)
Hue207.03°
Saturation (HSL)97.37%
Lightness44.71%
Dominant channelBlue
Hex per channelR 03 · G 7D · B E1

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Every value on this page was computed from “037de1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.