Colour

#033666

#033666
Blue
Dark
Nearest: Dark slateblue

#033666 is a blue with RGB values 3, 54, 102 and HSL 209°, 94%, 21%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033666#033666

HEX#033666

RGBrgb(3, 54, 102)

RGB (0–1)0.0118, 0.2118, 0.4

RGB percentages1.2%, 21.2%, 40%

HSLhsl(209.1, 94.3%, 20.6%)

HSV / HSBhsv(209.1, 97.1%, 40%)

CMYK97.1%, 47.1%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer210,534

CSS custom property--colour: #033666;

Brightness & contrast

Relative luminance0.03617WCAG 2.x, 0 is black and 1 is white

Perceived brightness53.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.19:1

Contrast with white12.19:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#FCC999

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C3A68no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#063265no green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#004249no blue cones; rare, and affects men and women equally; ΔE 30.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.19:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.7 Steel blue · ΔE 31.4 Midnight blue · ΔE 32.4 Dark slate grey · ΔE 34.4 Slate grey · ΔE 38.2 Dim grey · ΔE 39.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.69, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#663303

Analogous#036665, #030466

Triadic#660336, #366603

Split complementary#660304, #666503

Tetradic#650366, #663303, #046603

Tints, shades & saturation

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

Lighter +40%#3C9DF9

Lighter +30%#0A85F8

Lighter +20%#066AC9

Lighter +10%#045098

Darker −10%#021C34

Darker −20%#000203

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003669

Less saturated −25%#103659

Channel breakdown

G54

B102

Red3 (1.2%)

Green54 (21.2%)

Blue102 (40%)

Hue209.09°

Saturation (HSL)94.29%

Lightness20.59%

Dominant channelBlue

Hex per channelR 03 · G 36 · B 66

Keep nerding

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

#033666

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

Nerdulate something else