Colour

#223B7D

#223B7D
Blue
Dark
Nearest: Dark slateblue

#223B7D is a blue with RGB values 34, 59, 125 and HSL 224°, 57%, 31%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#223B7D#223B7D

HEX#223B7D

RGBrgb(34, 59, 125)

RGB (0–1)0.1333, 0.2314, 0.4902

RGB percentages13.3%, 23.1%, 49%

HSLhsl(223.5, 57.2%, 31.2%)

HSV / HSBhsv(223.5, 72.8%, 49%)

CMYK72.8%, 52.8%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,243,453

CSS custom property--colour: #223B7D;

Brightness & contrast

Relative luminance0.04949WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.55:1

Contrast with white10.55:1WCAG normal text: AAA

Contrast with black1.99:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#DDC482

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#13437Fno red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#003B7Cno green cones; the most common form, about 1% of men; ΔE 4.1 from the original

Tritanopia#004B56no blue cones; rare, and affects men and women equally; ΔE 41.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.55:1WCAG large text: AAA

Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.3 Midnight blue · ΔE 22.1 Rebecca purple · ΔE 29.7 Steel blue · ΔE 33 Slate blue · ΔE 33.3 Royal blue · ΔE 34.7

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.26, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7D6422

Analogous#22697D, #37227D

Triadic#7D223B, #3B7D22

Split complementary#7D3622, #697D22

Tetradic#7D2269, #7D6422, #227D36

Tints, shades & saturation

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

Lighter +40%#8BA3E0

Lighter +30%#6382D5

Lighter +20%#3B62CA

Lighter +10%#2D4EA5

Darker −10%#172855

Darker −20%#0C152D

Darker −30%#010205

Darker −40%#000000

More saturated +25%#0E3291

Less saturated −25%#364469

Channel breakdown

R34

G59

B125

Red34 (13.3%)

Green59 (23.1%)

Blue125 (49%)

Hue223.52°

Saturation (HSL)57.23%

Lightness31.18%

Dominant channelBlue

Hex per channelR 22 · G 3B · B 7D

Keep nerding

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

#223B7D

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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