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Colour

#2280BB

  • #2280BB
  • Blue
  • Dark
  • Nearest: Steel blue

#2280BB is a blue with RGB values 34, 128, 187 and HSL 203°, 69%, 43%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2280BB#2280BB
HEX#2280BB
RGBrgb(34, 128, 187)
RGB (0–1)0.1333, 0.502, 0.7333
RGB percentages13.3%, 50.2%, 73.3%
HSLhsl(203.1, 69.2%, 43.3%)
HSV / HSBhsv(203.1, 81.8%, 73.3%)
CMYK81.8%, 31.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,261,179
CSS custom property--colour: #2280BB;

Brightness & contrast

Relative luminance0.19366WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#DD7F44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6481BEno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#4F74BAno green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#008F95no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.6Cornflower blue · ΔE 21.5Deep skyblue · ΔE 24.9Light slate grey · ΔE 27.9Slate grey · ΔE 28.1Dodgerblue · ΔE 30.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB5D22
Analogous#22BBAA, #2234BB
Triadic#BB2280, #80BB22
Split complementary#BB2234, #BBA922
Tetradic#A922BB, #BB5D22, #34BB22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7DBF2
Lighter +30%#8CC6EA
Lighter +20%#61B0E2
Lighter +10%#369BDA
Darker −10%#1A6290
Darker −20%#124565
Darker −30%#0A273A
Darker −40%#030A0E
More saturated +25%#0686D7
Less saturated −25%#3E7A9F

Channel breakdown

R34
G128
B187
Red34 (13.3%)
Green128 (50.2%)
Blue187 (73.3%)
Hue203.14°
Saturation (HSL)69.23%
Lightness43.33%
Dominant channelBlue
Hex per channelR 22 · G 80 · B BB

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Every value on this page was computed from “2280bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.