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Colour

#1671AB

  • #1671AB
  • Blue
  • Dark
  • Nearest: Steel blue

#1671AB is a blue with RGB values 22, 113, 171 and HSL 203°, 77%, 38%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1671AB#1671AB
HEX#1671AB
RGBrgb(22, 113, 171)
RGB (0–1)0.0863, 0.4431, 0.6706
RGB percentages8.6%, 44.3%, 67.1%
HSLhsl(203.4, 77.2%, 37.8%)
HSV / HSBhsv(203.4, 87.1%, 67.1%)
CMYK87.1%, 33.9%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,470,891
CSS custom property--colour: #1671AB;

Brightness & contrast

Relative luminance0.14921WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.27:1
Contrast with white5.27:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#E98E54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5573ADno red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#4166AAno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#007F86no blue cones; rare, and affects men and women equally; ΔE 34.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.27:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Steel blue · ΔE 9Cornflower blue · ΔE 23.9Slate grey · ΔE 28.4Light slate grey · ΔE 28.8Deep skyblue · ΔE 30.7Dodgerblue · ΔE 32
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.04, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB5016
Analogous#16AB9A, #1627AB
Triadic#AB1671, #71AB16
Split complementary#AB1627, #AB9B16
Tetradic#9A16AB, #AB5016, #26AB16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BD0F2
Lighter +30%#6EBBEC
Lighter +20%#41A6E6
Lighter +10%#1C8FD8
Darker −10%#10537E
Darker −20%#0A3551
Darker −30%#051723
Darker −40%#000000
More saturated +25%#0076C1
Less saturated −25%#2E6C93

Channel breakdown

R22
G113
B171
Red22 (8.6%)
Green113 (44.3%)
Blue171 (67.1%)
Hue203.36°
Saturation (HSL)77.2%
Lightness37.84%
Dominant channelBlue
Hex per channelR 16 · G 71 · B AB

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Every value on this page was computed from “1671ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.