Nerdulator> put something in

Recognised as Colour

#011F66

  • #011F66
  • Blue
  • Dark
  • Nearest: Midnight blue

#011F66 is a blue with RGB values 1, 31, 102 and HSL 222°, 98%, 20%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#011F66#011F66
HEX#011F66
RGBrgb(1, 31, 102)
RGB (0–1)0.0039, 0.1216, 0.4
RGB percentages0.4%, 12.2%, 40%
HSLhsl(222.2, 98.1%, 20.2%)
HSV / HSBhsv(222.2, 99%, 40%)
CMYK99%, 69.6%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer73,574
CSS custom property--colour: #011F66;

Brightness & contrast

Relative luminance0.01946WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.12:1
Contrast with white15.12:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#FEE099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B68no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#002165no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#00323Fno blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.12:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.3Dark slateblue · ΔE 16.3Rebecca purple · ΔE 27.7Indigo · ΔE 31.7Navy · ΔE 33Slate blue · ΔE 36
Nearest named CSS colourMidnight blue (#191970)ΔE 11.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#664801
Analogous#015166, #160166
Triadic#66011F, #1F6601
Split complementary#661601, #516601
Tetradic#660151, #664801, #016616

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3671FD
Lighter +30%#034DFD
Lighter +20%#023ECB
Lighter +10%#012E99
Darker −10%#011033
Darker −20%#000001
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001F67
Less saturated −25%#0E2459

Channel breakdown

R1
G31
B102
Red1 (0.4%)
Green31 (12.2%)
Blue102 (40%)
Hue222.18°
Saturation (HSL)98.06%
Lightness20.2%
Dominant channelBlue
Hex per channelR 01 · G 1F · B 66

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “011f66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.