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Recognised as Colour

#1E39CC

  • #1E39CC
  • Blue
  • Dark
  • Nearest: Dark blue

#1E39CC is a blue with RGB values 30, 57, 204 and HSL 231°, 74%, 46%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1E39CC#1E39CC
HEX#1E39CC
RGBrgb(30, 57, 204)
RGB (0–1)0.1176, 0.2235, 0.8
RGB percentages11.8%, 22.4%, 80%
HSLhsl(230.7, 74.4%, 45.9%)
HSV / HSBhsv(230.7, 85.3%, 80%)
CMYK85.3%, 72.1%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,980,876
CSS custom property--colour: #1E39CC;

Brightness & contrast

Relative luminance0.07562WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.36:1
Contrast with white8.36:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#E1C633

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056D0no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#0045C9no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#00647Fno blue cones; rare, and affects men and women equally; ΔE 81.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.36:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark blue · ΔE 20.9Medium slateblue · ΔE 23Navy · ΔE 23.9Slate blue · ΔE 25.1Blue violet · ΔE 26.2Medium blue · ΔE 27.1
Nearest named CSS colourDark blue (#00008B)ΔE 20.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCB11E
Analogous#1E90CC, #5A1ECC
Triadic#CC1E39, #39CC1E
Split complementary#CC5A1E, #90CC1E
Tetradic#CC1E90, #CCB11E, #1ECC5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0C9F6
Lighter +30%#94A2EF
Lighter +20%#677BE9
Lighter +10%#3B55E2
Darker −10%#172DA0
Darker −20%#112073
Darker −30%#0A1447
Darker −40%#04071A
More saturated +25%#0125E9
Less saturated −25%#3B4DAF

Channel breakdown

R30
G57
B204
Red30 (11.8%)
Green57 (22.4%)
Blue204 (80%)
Hue230.69°
Saturation (HSL)74.36%
Lightness45.88%
Dominant channelBlue
Hex per channelR 1E · G 39 · B CC

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Every value on this page was computed from “1e39cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.