Colour

#1E238F

#1E238F
Blue
Dark
Nearest: Midnight blue

#1E238F is a blue with RGB values 30, 35, 143 and HSL 237°, 65%, 34%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1E238F#1E238F

HEX#1E238F

RGBrgb(30, 35, 143)

RGB (0–1)0.1176, 0.1373, 0.5608

RGB percentages11.8%, 13.7%, 56.1%

HSLhsl(237.3, 65.3%, 33.9%)

HSV / HSBhsv(237.3, 79%, 56.1%)

CMYK79%, 75.5%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,975,183

CSS custom property--colour: #1E238F;

Brightness & contrast

Relative luminance0.03461WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.41:1

Contrast with white12.41:1WCAG normal text: AAA

Contrast with black1.69:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#E1DC70

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003A92no red cones; affects about 1% of men; ΔE 18.2 from the original

Deuteranopia#002F8Dno green cones; the most common form, about 1% of men; ΔE 11.3 from the original

Tritanopia#004257no blue cones; rare, and affects men and women equally; ΔE 63 from the original

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

Contrast with white, large text12.41:1WCAG large text: AAA

Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.7 Navy · ΔE 14.6 Indigo · ΔE 15.8 Rebecca purple · ΔE 17.5 Dark blue · ΔE 17.6 Dark slateblue · ΔE 22.5

Nearest named CSS colourMidnight blue (#191970)ΔE 12.73, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F8A1E

Analogous#1E5B8F, #521E8F

Triadic#8F1E23, #238F1E

Split complementary#8F521E, #5B8F1E

Tetradic#8F1E5B, #8F8A1E, #1E8F52

Tints, shades & saturation

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

Lighter +40%#9195E8

Lighter +30%#676CDF

Lighter +20%#3D44D6

Lighter +10%#272DB9

Darker −10%#151965

Darker −20%#0C0E3B

Darker −30%#030411

Darker −40%#000000

More saturated +25%#080FA5

Less saturated −25%#343779

Channel breakdown

R30

G35

B143

Red30 (11.8%)

Green35 (13.7%)

Blue143 (56.1%)

Hue237.35°

Saturation (HSL)65.32%

Lightness33.92%

Dominant channelBlue

Hex per channelR 1E · G 23 · B 8F

Keep nerding

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#1E238F

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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