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Recognised as Colour

#2A5697

  • #2A5697
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A5697 is a blue with RGB values 42, 86, 151 and HSL 216°, 56%, 38%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A5697#2A5697
HEX#2A5697
RGBrgb(42, 86, 151)
RGB (0–1)0.1647, 0.3373, 0.5922
RGB percentages16.5%, 33.7%, 59.2%
HSLhsl(215.8, 56.5%, 37.8%)
HSV / HSBhsv(215.8, 72.2%, 59.2%)
CMYK72.2%, 43%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,774,679
CSS custom property--colour: #2A5697;

Brightness & contrast

Relative luminance0.09382WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.3:1
Contrast with white7.3:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D5A968

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#375C9Ano red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#245296no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#00656Fno blue cones; rare, and affects men and women equally; ΔE 39.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.3:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Steel blue · ΔE 21.2Cornflower blue · ΔE 26.9Dodgerblue · ΔE 32.6Midnight blue · ΔE 33.1Royal blue · ΔE 33.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#976B2A
Analogous#2A8C97, #352A97
Triadic#972A56, #56972A
Split complementary#97352A, #8C972A
Tetradic#972A8C, #976B2A, #2A9735

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7C0E6
Lighter +30%#7FA4DB
Lighter +20%#5788D0
Lighter +10%#356DBF
Darker −10%#1F3F6F
Darker −20%#142947
Darker −30%#09121F
Darker −40%#000000
More saturated +25%#1251AF
Less saturated −25%#425B7F

Channel breakdown

R42
G86
B151
Red42 (16.5%)
Green86 (33.7%)
Blue151 (59.2%)
Hue215.78°
Saturation (HSL)56.48%
Lightness37.84%
Dominant channelBlue
Hex per channelR 2A · G 56 · B 97

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Every value on this page was computed from “2a5697” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.