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Recognised as Colour

#012663

  • #012663
  • Blue
  • Dark
  • Nearest: Dark slateblue

#012663 is a blue with RGB values 1, 38, 99 and HSL 217°, 98%, 20%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#012663#012663
HEX#012663
RGBrgb(1, 38, 99)
RGB (0–1)0.0039, 0.149, 0.3882
RGB percentages0.4%, 14.9%, 38.8%
HSLhsl(217.3, 98%, 19.6%)
HSV / HSBhsv(217.3, 99%, 38.8%)
CMYK99%, 61.6%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer75,363
CSS custom property--colour: #012663;

Brightness & contrast

Relative luminance0.02294WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.4:1
Contrast with white14.4:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FED99C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E65no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#002662no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#003640no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.4:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.8Midnight blue · ΔE 19.5Rebecca purple · ΔE 32.9Indigo · ΔE 39.2Slate blue · ΔE 39.8Steel blue · ΔE 41
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#633E01
Analogous#015763, #0D0163
Triadic#630126, #266301
Split complementary#630D01, #576301
Tetradic#630157, #633E01, #01630D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#337FFD
Lighter +30%#0360FA
Lighter +20%#024DC8
Lighter +10%#023995
Darker −10%#001331
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002664
Less saturated −25%#0D2957

Channel breakdown

R1
G38
B99
Red1 (0.4%)
Green38 (14.9%)
Blue99 (38.8%)
Hue217.35°
Saturation (HSL)98%
Lightness19.61%
Dominant channelBlue
Hex per channelR 01 · G 26 · B 63

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Every value on this page was computed from “hex 012663” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.