Colour

#1C39E3

#1C39E3
Blue
Dark
Nearest: Medium blue

#1C39E3 is a blue with RGB values 28, 57, 227 and HSL 231°, 78%, 50%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1C39E3#1C39E3

HEX#1C39E3

RGBrgb(28, 57, 227)

RGB (0–1)0.1098, 0.2235, 0.8902

RGB percentages11%, 22.4%, 89%

HSLhsl(231.3, 78%, 50%)

HSV / HSBhsv(231.3, 87.7%, 89%)

CMYK87.7%, 74.9%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,849,827

CSS custom property--colour: #1C39E3;

Brightness & contrast

Relative luminance0.08719WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.65:1

Contrast with white7.65:1WCAG normal text: AAA

Contrast with black2.74:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#E3C61C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005DE8no red cones; affects about 1% of men; ΔE 25.1 from the original

Deuteranopia#0049E0no green cones; the most common form, about 1% of men; ΔE 13.1 from the original

Tritanopia#006C8Cno blue cones; rare, and affects men and women equally; ΔE 91.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.65:1WCAG large text: AAA

Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Medium blue · ΔE 18.1 Blue violet · ΔE 21.6 Dark blue · ΔE 27.6 Dark violet · ΔE 28.6 Medium slateblue · ΔE 29.7 Dark orchid · ΔE 30.3

Nearest named CSS colourMedium blue (#0000CD)ΔE 18.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#E3C61C

Analogous#1C9CE3, #631CE3

Triadic#E31C39, #39E31C

Split complementary#E3631C, #9CE31C

Tetradic#E31C9C, #E3C61C, #1CE363

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D2D7F9

Lighter +30%#A4B0F4

Lighter +20%#7788EE

Lighter +10%#4961E9

Darker −10%#162EB6

Darker −20%#112288

Darker −30%#0B175B

Darker −40%#060B2D

More saturated +25%#0025FF

Less saturated −25%#3C50C3

Channel breakdown

R28

G57

B227

Red28 (11%)

Green57 (22.4%)

Blue227 (89%)

Hue231.26°

Saturation (HSL)78.04%

Lightness50%

Dominant channelBlue

Hex per channelR 1C · G 39 · B E3

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1C39E3

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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