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Colour

#2057AA

  • #2057AA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2057AA is a blue with RGB values 32, 87, 170 and HSL 216°, 68%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2057AA#2057AA
HEX#2057AA
RGBrgb(32, 87, 170)
RGB (0–1)0.1255, 0.3412, 0.6667
RGB percentages12.5%, 34.1%, 66.7%
HSLhsl(216.1, 68.3%, 39.6%)
HSV / HSBhsv(216.1, 81.2%, 66.7%)
CMYK81.2%, 48.8%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,119,594
CSS custom property--colour: #2057AA;

Brightness & contrast

Relative luminance0.10026WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.99:1
Contrast with white6.99:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#DFA855

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2760ADno red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#0053A8no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#006B78no blue cones; rare, and affects men and women equally; ΔE 48.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.99:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 16.4Royal blue · ΔE 22.7Cornflower blue · ΔE 24.4Slate blue · ΔE 25.3Dodgerblue · ΔE 25.8Steel blue · ΔE 28.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7320
Analogous#209CAA, #2E20AA
Triadic#AA2057, #57AA20
Split complementary#AA2E20, #9CAA20
Tetradic#AA209C, #AA7320, #20AA2E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7C4EF
Lighter +30%#7DA7E6
Lighter +20%#528ADE
Lighter +10%#286DD5
Darker −10%#18417F
Darker −20%#102B54
Darker −30%#081529
Darker −40%#000000
More saturated +25%#0752C3
Less saturated −25%#395C91

Channel breakdown

R32
G87
B170
Red32 (12.5%)
Green87 (34.1%)
Blue170 (66.7%)
Hue216.09°
Saturation (HSL)68.32%
Lightness39.61%
Dominant channelBlue
Hex per channelR 20 · G 57 · B AA

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Every value on this page was computed from “2057aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.