Colour

#00648C

#00648C
Cyan
Dark
Nearest: Steel blue

#00648C is a cyan with RGB values 0, 100, 140 and HSL 197°, 100%, 27%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#00648C#00648C

HEX#00648C

RGBrgb(0, 100, 140)

RGB (0–1)0, 0.3922, 0.549

RGB percentages0%, 39.2%, 54.9%

HSLhsl(197.1, 100%, 27.5%)

HSV / HSBhsv(197.1, 100%, 54.9%)

CMYK100%, 28.6%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer25,740

CSS custom property--colour: #00648C;

Brightness & contrast

Relative luminance0.11008WCAG 2.x, 0 is black and 1 is white

Perceived brightness90 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.56:1

Contrast with white6.56:1WCAG normal text: AA

Contrast with black3.2:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#FF9B73

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#50648Eno red cones; affects about 1% of men; ΔE 14.1 from the original

Deuteranopia#3F588Bno green cones; the most common form, about 1% of men; ΔE 15.9 from the original

Tritanopia#006E72no blue cones; rare, and affects men and women equally; ΔE 24.5 from the original

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

Contrast with white, large text6.56:1WCAG large text: AAA

Contrast with black, large text3.2:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.3 Slate grey · ΔE 23.7 Light slate grey · ΔE 25.2 Dark slate grey · ΔE 26.7 Teal · ΔE 29.6 Dim grey · ΔE 30.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 14.27, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8C2800

Analogous#008C6E, #001E8C

Triadic#8C0064, #648C00

Split complementary#8C001E, #8C6E00

Tetradic#6E008C, #8C2800, #1E8C00

Tints, shades & saturation

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

Lighter +40%#59D0FF

Lighter +30%#26C1FF

Lighter +20%#00ADF2

Lighter +10%#0088BF

Darker −10%#004059

Darker −20%#001B26

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00648C

Less saturated −25%#125D7B

Channel breakdown

G100

B140

Red0 (0%)

Green100 (39.2%)

Blue140 (54.9%)

Hue197.14°

Saturation (HSL)100%

Lightness27.45%

Dominant channelBlue

Hex per channelR 00 · G 64 · B 8C

Keep nerding

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

#00648C

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