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Colour

#1A83B8

  • #1A83B8
  • Blue
  • Dark
  • Nearest: Steel blue

#1A83B8 is a blue with RGB values 26, 131, 184 and HSL 200°, 75%, 41%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1A83B8#1A83B8
HEX#1A83B8
RGBrgb(26, 131, 184)
RGB (0–1)0.102, 0.5137, 0.7216
RGB percentages10.2%, 51.4%, 72.2%
HSLhsl(200.1, 75.2%, 41.2%)
HSV / HSBhsv(200.1, 85.9%, 72.2%)
CMYK85.9%, 28.8%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,737,656
CSS custom property--colour: #1A83B8;

Brightness & contrast

Relative luminance0.19913WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#E57C47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6983BAno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#5575B7no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#009195no blue cones; rare, and affects men and women equally; ΔE 32.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.3Deep skyblue · ΔE 23.5Cornflower blue · ΔE 25.1Light slate grey · ΔE 25.9Slate grey · ΔE 26.1Light skyblue · ΔE 28.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B84F1A
Analogous#1AB89E, #1A34B8
Triadic#B81A83, #83B81A
Split complementary#B81A34, #B89E1A
Tetradic#9E1AB8, #B84F1A, #34B81A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABDBF3
Lighter +30%#7EC8ED
Lighter +20%#52B5E6
Lighter +10%#25A1E0
Darker −10%#14638B
Darker −20%#0D435F
Darker −30%#072432
Darker −40%#010405
More saturated +25%#008CD2
Less saturated −25%#347A9E

Channel breakdown

R26
G131
B184
Red26 (10.2%)
Green131 (51.4%)
Blue184 (72.2%)
Hue200.13°
Saturation (HSL)75.24%
Lightness41.18%
Dominant channelBlue
Hex per channelR 1A · G 83 · B B8

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Every value on this page was computed from “1a83b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.