Colour

#23228D

#23228D
Blue
Dark
Nearest: Midnight blue

#23228D is a blue with RGB values 35, 34, 141 and HSL 241°, 61%, 34%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#23228D#23228D

HEX#23228D

RGBrgb(35, 34, 141)

RGB (0–1)0.1373, 0.1333, 0.5529

RGB percentages13.7%, 13.3%, 55.3%

HSLhsl(240.6, 61.1%, 34.3%)

HSV / HSBhsv(240.6, 75.9%, 55.3%)

CMYK75.2%, 75.9%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,302,605

CSS custom property--colour: #23228D;

Brightness & contrast

Relative luminance0.03424WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.46:1

Contrast with white12.46:1WCAG normal text: AAA

Contrast with black1.68:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#DCDD72

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003990no red cones; affects about 1% of men; ΔE 18.3 from the original

Deuteranopia#002F8Bno green cones; the most common form, about 1% of men; ΔE 12.4 from the original

Tritanopia#004156no blue cones; rare, and affects men and women equally; ΔE 62.5 from the original

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

Contrast with white, large text12.46:1WCAG large text: AAA

Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12 Navy · ΔE 14.7 Indigo · ΔE 15.1 Rebecca purple · ΔE 16.8 Dark blue · ΔE 17.9 Dark slateblue · ΔE 21.9

Nearest named CSS colourMidnight blue (#191970)ΔE 12.05, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8C8D22

Analogous#22568D, #59228D

Triadic#8D2322, #228D23

Split complementary#8D5922, #568D22

Tetradic#8D2256, #8C8D22, #228D59

Tints, shades & saturation

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

Lighter +40%#9695E6

Lighter +30%#6D6CDC

Lighter +20%#4543D2

Lighter +10%#2D2CB6

Darker −10%#191864

Darker −20%#0F0E3B

Darker −30%#040412

Darker −40%#000000

More saturated +25%#0E0CA3

Less saturated −25%#383877

Channel breakdown

R35

G34

B141

Red35 (13.7%)

Green34 (13.3%)

Blue141 (55.3%)

Hue240.56°

Saturation (HSL)61.14%

Lightness34.31%

Dominant channelBlue

Hex per channelR 23 · G 22 · B 8D

Keep nerding

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#23228D

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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