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Recognised as Colour

#1A5BAA

  • #1A5BAA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1A5BAA is a blue with RGB values 26, 91, 170 and HSL 213°, 73%, 38%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A5BAA#1A5BAA
HEX#1A5BAA
RGBrgb(26, 91, 170)
RGB (0–1)0.102, 0.3569, 0.6667
RGB percentages10.2%, 35.7%, 66.7%
HSLhsl(212.9, 73.5%, 38.4%)
HSV / HSBhsv(212.9, 84.7%, 66.7%)
CMYK84.7%, 46.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,727,402
CSS custom property--colour: #1A5BAA;

Brightness & contrast

Relative luminance0.10604WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.73:1
Contrast with white6.73:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#E5A455

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3062ADno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#0756A8no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#006E7Ano blue cones; rare, and affects men and women equally; ΔE 46.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.73:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.8Cornflower blue · ΔE 23.1Steel blue · ΔE 25.1Royal blue · ΔE 25.3Dodgerblue · ΔE 25.6Slate blue · ΔE 28.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA691A
Analogous#1AA3AA, #211AAA
Triadic#AA1A5B, #5BAA1A
Split complementary#AA211A, #A3AA1A
Tetradic#AA1AA3, #AA691A, #1AAA21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0C4F0
Lighter +30%#73A9EA
Lighter +20%#478DE3
Lighter +10%#2173D6
Darker −10%#13437E
Darker −20%#0C2C52
Darker −30%#061425
Darker −40%#000000
More saturated +25%#0159C3
Less saturated −25%#325D92

Channel breakdown

R26
G91
B170
Red26 (10.2%)
Green91 (35.7%)
Blue170 (66.7%)
Hue212.92°
Saturation (HSL)73.47%
Lightness38.43%
Dominant channelBlue
Hex per channelR 1A · G 5B · B AA

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Every value on this page was computed from “1a5baa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.