Colour

#002355

#002355
Blue
Dark
Nearest: Dark slateblue

#002355 is a blue with RGB values 0, 35, 85 and HSL 215°, 100%, 17%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#002355#002355

HEX#002355

RGBrgb(0, 35, 85)

RGB (0–1)0, 0.1373, 0.3333

RGB percentages0%, 13.7%, 33.3%

HSLhsl(215.3, 100%, 16.7%)

HSV / HSBhsv(215.3, 100%, 33.3%)

CMYK100%, 58.8%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,045

CSS custom property--colour: #002355;

Brightness & contrast

Relative luminance0.01858WCAG 2.x, 0 is black and 1 is white

Perceived brightness39.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.31:1

Contrast with white15.31:1WCAG normal text: AAA

Contrast with black1.37:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#FFDCAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002957no red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#002254no green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#003038no blue cones; rare, and affects men and women equally; ΔE 33.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.31:1WCAG large text: AAA

Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.7 Midnight blue · ΔE 26.2 Black · ΔE 38.3 Rebecca purple · ΔE 39.2 Steel blue · ΔE 40.6 Dark slate grey · ΔE 41

Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.66, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#553200

Analogous#004E55, #070055

Triadic#550023, #235500

Split complementary#550800, #4D5500

Tetradic#55004E, #553200, #005508

Tints, shades & saturation

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

Lighter +40%#227DFF

Lighter +30%#0062EE

Lighter +20%#004DBB

Lighter +10%#003888

Darker −10%#000E22

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002355

Less saturated −25%#0B254A

Channel breakdown

G35

B85

Red0 (0%)

Green35 (13.7%)

Blue85 (33.3%)

Hue215.29°

Saturation (HSL)100%

Lightness16.67%

Dominant channelBlue

Hex per channelR 00 · G 23 · B 55

Keep nerding

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#002355

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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