Colour

#667CA4

#667CA4
Blue
Dark
Nearest: Steel blue

#667CA4 is a blue with RGB values 102, 124, 164 and HSL 219°, 25%, 52%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#667CA4#667CA4

HEX#667CA4

RGBrgb(102, 124, 164)

RGB (0–1)0.4, 0.4863, 0.6431

RGB percentages40%, 48.6%, 64.3%

HSLhsl(218.7, 25.4%, 52.2%)

HSV / HSBhsv(218.7, 37.8%, 64.3%)

CMYK37.8%, 24.4%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,716,580

CSS custom property--colour: #667CA4;

Brightness & contrast

Relative luminance0.1992WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.98:1

Contrast with white4.21:1WCAG normal text: Fail

Contrast with black4.98:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#99835B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E7FA6no red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#6879A3no green cones; the most common form, about 1% of men; ΔE 2.3 from the original

Tritanopia#52848Ano blue cones; rare, and affects men and women equally; ΔE 23.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.21:1WCAG large text: AA

Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.5 Slate grey · ΔE 14.1 Light slate grey · ΔE 14.2 Gray · ΔE 24.1 Dim grey · ΔE 25.1 Cornflower blue · ΔE 28.2

Nearest named CSS colourSteel blue (#4682B4)ΔE 10.47, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A48E66

Analogous#669BA4, #6F66A4

Triadic#A4667C, #7CA466

Split complementary#A46F66, #9BA466

Tetradic#A4669B, #A48E66, #66A46F

Tints, shades & saturation

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

Lighter +40%#E6EAF0

Lighter +30%#C6CEDD

Lighter +20%#A6B3CA

Lighter +10%#8697B7

Darker −10%#506487

Darker −20%#3D4C67

Darker −30%#2A3447

Darker −40%#171D27

More saturated +25%#4873C3

Less saturated −25%#858586

Channel breakdown

R102

G124

B164

Red102 (40%)

Green124 (48.6%)

Blue164 (64.3%)

Hue218.71°

Saturation (HSL)25.41%

Lightness52.16%

Dominant channelBlue

Hex per channelR 66 · G 7C · B A4

Keep nerding

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

#667CA4

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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