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Recognised as Colour

#224B8A

  • #224B8A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#224B8A is a blue with RGB values 34, 75, 138 and HSL 216°, 60%, 34%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#224B8A#224B8A
HEX#224B8A
RGBrgb(34, 75, 138)
RGB (0–1)0.1333, 0.2941, 0.5412
RGB percentages13.3%, 29.4%, 54.1%
HSLhsl(216.3, 60.5%, 33.7%)
HSV / HSBhsv(216.3, 75.4%, 54.1%)
CMYK75.4%, 45.7%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,247,562
CSS custom property--colour: #224B8A;

Brightness & contrast

Relative luminance0.07207WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.6:1
Contrast with white8.6:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#DDB475

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B518Cno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#174789no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005A63no blue cones; rare, and affects men and women equally; ΔE 39.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.6:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.5Steel blue · ΔE 25Midnight blue · ΔE 30Cornflower blue · ΔE 31.3Rebecca purple · ΔE 34.9Royal blue · ΔE 34.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A6122
Analogous#227F8A, #2D228A
Triadic#8A224B, #4B8A22
Split complementary#8A2D22, #7F8A22
Tetradic#8A227F, #8A6122, #228A2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93B3E5
Lighter +30%#6B97DA
Lighter +20%#427AD0
Lighter +10%#2C61B3
Darker −10%#183561
Darker −20%#0E1F38
Darker −30%#04080F
Darker −40%#000000
More saturated +25%#0C469F
Less saturated −25%#375074

Channel breakdown

R34
G75
B138
Red34 (13.3%)
Green75 (29.4%)
Blue138 (54.1%)
Hue216.35°
Saturation (HSL)60.47%
Lightness33.73%
Dominant channelBlue
Hex per channelR 22 · G 4B · B 8A

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Every value on this page was computed from “224b8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.