Recognised as Colour

#4274A4

#4274A4
Blue
Dark
Nearest: Steel blue

#4274A4 is a blue with RGB values 66, 116, 164 and HSL 209°, 43%, 45%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4274A4#4274A4

HEX#4274A4

RGBrgb(66, 116, 164)

RGB (0–1)0.2588, 0.4549, 0.6431

RGB percentages25.9%, 45.5%, 64.3%

HSLhsl(209.4, 42.6%, 45.1%)

HSV / HSBhsv(209.4, 59.8%, 64.3%)

CMYK59.8%, 29.3%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,355,236

CSS custom property--colour: #4274A4;

Brightness & contrast

Relative luminance0.16329WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.92:1

Contrast with white4.92:1WCAG normal text: AA

Contrast with black4.27:1WCAG normal text: Fail

Greyscale equivalent#6D6D6D

Inverted#BD8B5B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6076A6no red cones; affects about 1% of men; ΔE 7.6 from the original

Deuteranopia#536CA3no green cones; the most common form, about 1% of men; ΔE 8.7 from the original

Tritanopia#007F85no blue cones; rare, and affects men and women equally; ΔE 31.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.92:1WCAG large text: AAA

Contrast with black, large text4.27:1WCAG large text: AA

Named colours

Steel blue · ΔE 5.7 Slate grey · ΔE 21 Light slate grey · ΔE 21.5 Cornflower blue · ΔE 26.1 Dim grey · ΔE 31 Gray · ΔE 31.5

Nearest named CSS colourSteel blue (#4682B4)ΔE 5.66, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A47242

Analogous#42A4A3, #4243A4

Triadic#A44274, #74A442

Split complementary#A44243, #A4A342

Tetradic#A342A4, #A47242, #43A442

Tints, shades & saturation

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

Lighter +40%#C9D9E9

Lighter +30%#A4C0DB

Lighter +20%#80A7CC

Lighter +10%#5C8DBD

Darker −10%#335A80

Darker −20%#25415B

Darker −30%#162737

Darker −40%#070D13

More saturated +25%#2575C1

Less saturated −25%#5F7387

Channel breakdown

R66

G116

B164

Red66 (25.9%)

Green116 (45.5%)

Blue164 (64.3%)

Hue209.39°

Saturation (HSL)42.61%

Lightness45.1%

Dominant channelBlue

Hex per channelR 42 · G 74 · B A4

Keep nerding

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

#4274A4

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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