Colour

#42658E

#42658E
Blue
Dark
Nearest: Steel blue

#42658E is a blue with RGB values 66, 101, 142 and HSL 212°, 37%, 41%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#42658E#42658E

HEX#42658E

RGBrgb(66, 101, 142)

RGB (0–1)0.2588, 0.3961, 0.5569

RGB percentages25.9%, 39.6%, 55.7%

HSLhsl(212.4, 36.5%, 40.8%)

HSV / HSBhsv(212.4, 53.5%, 55.7%)

CMYK53.5%, 28.9%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,351,374

CSS custom property--colour: #42658E;

Brightness & contrast

Relative luminance0.12419WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.03:1

Contrast with white6.03:1WCAG normal text: AA

Contrast with black3.48:1WCAG normal text: Fail

Greyscale equivalent#616161

Inverted#BD9A71

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#556790no red cones; affects about 1% of men; ΔE 5.1 from the original

Deuteranopia#4B5F8Dno green cones; the most common form, about 1% of men; ΔE 6 from the original

Tritanopia#1A6E73no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.03:1WCAG large text: AAA

Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.7 Slate grey · ΔE 19.4 Light slate grey · ΔE 20.9 Dim grey · ΔE 26.6 Dark slate grey · ΔE 27.6 Gray · ΔE 28.9

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8E6B42

Analogous#428B8E, #45428E

Triadic#8E4265, #658E42

Split complementary#8E4542, #8B8E42

Tetradic#8E428B, #8E6B42, #428E45

Tints, shades & saturation

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

Lighter +40%#BCCDE0

Lighter +30%#99B2D0

Lighter +20%#7698C0

Lighter +10%#547EAF

Darker −10%#324C6B

Darker −20%#223348

Darker −30%#111B26

Darker −40%#010203

More saturated +25%#2863A8

Less saturated −25%#5C6774

Channel breakdown

R66

G101

B142

Red66 (25.9%)

Green101 (39.6%)

Blue142 (55.7%)

Hue212.37°

Saturation (HSL)36.54%

Lightness40.78%

Dominant channelBlue

Hex per channelR 42 · G 65 · B 8E

Keep nerding

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

#42658E

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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