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Recognised as Colour

#080057

  • #080057
  • Blue
  • Dark
  • Nearest: Midnight blue

#080057 is a blue with RGB values 8, 0, 87 and HSL 246°, 100%, 17%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#080057#080057
HEX#080057
RGBrgb(8, 0, 87)
RGB (0–1)0.0314, 0, 0.3412
RGB percentages3.1%, 0%, 34.1%
HSLhsl(245.5, 100%, 17.1%)
HSV / HSBhsv(245.5, 100%, 34.1%)
CMYK90.8%, 100%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer524,375
CSS custom property--colour: #080057;

Brightness & contrast

Relative luminance0.0074WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.29:1
Contrast with white18.29:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#F7FFA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001959no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#001056no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#001F2Fno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.29:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.2Navy · ΔE 21.1Indigo · ΔE 21.5Dark blue · ΔE 26.3Dark slateblue · ΔE 26.8Rebecca purple · ΔE 27.1
Nearest named CSS colourMidnight blue (#191970)ΔE 10.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F5700
Analogous#002457, #330057
Triadic#570800, #005708
Split complementary#573400, #235700
Tetradic#570024, #4F5700, #005733

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3824FF
Lighter +30%#1600F0
Lighter +20%#1100BD
Lighter +10%#0D008A
Darker −10%#030024
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#080057
Less saturated −25%#110B4C

Channel breakdown

R8
G0
B87
Red8 (3.1%)
Green0 (0%)
Blue87 (34.1%)
Hue245.52°
Saturation (HSL)100%
Lightness17.06%
Dominant channelBlue
Hex per channelR 08 · G 00 · B 57

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Every value on this page was computed from “hex 080057” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.