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Recognised as Colour

#081257

  • #081257
  • Blue
  • Dark
  • Nearest: Midnight blue

#081257 is a blue with RGB values 8, 18, 87 and HSL 232°, 83%, 19%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#081257#081257
HEX#081257
RGBrgb(8, 18, 87)
RGB (0–1)0.0314, 0.0706, 0.3412
RGB percentages3.1%, 7.1%, 34.1%
HSLhsl(232.4, 83.2%, 18.6%)
HSV / HSBhsv(232.4, 90.8%, 34.1%)
CMYK90.8%, 79.3%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer528,983
CSS custom property--colour: #081257;

Brightness & contrast

Relative luminance0.01172WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.01:1
Contrast with white17.01:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#F7EDA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002059no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#001856no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#002633no blue cones; rare, and affects men and women equally; ΔE 44.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.01:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.3Dark slateblue · ΔE 20.5Rebecca purple · ΔE 29Indigo · ΔE 30.4Navy · ΔE 31.8Dark blue · ΔE 36.8
Nearest named CSS colourMidnight blue (#191970)ΔE 11.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574D08
Analogous#083A57, #250857
Triadic#570812, #125708
Split complementary#572608, #3A5708
Tetradic#57083A, #574D08, #085726

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E54ED
Lighter +30%#152FE3
Lighter +20%#1125B4
Lighter +10%#0C1C86
Darker −10%#040828
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000C5F
Less saturated −25%#141B4B

Channel breakdown

R8
G18
B87
Red8 (3.1%)
Green18 (7.1%)
Blue87 (34.1%)
Hue232.41°
Saturation (HSL)83.16%
Lightness18.63%
Dominant channelBlue
Hex per channelR 08 · G 12 · B 57

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Every value on this page was computed from “hex 081257” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.