Nerdulator> put something in

Colour

#1B004A

  • #1B004A
  • Violet
  • Dark
  • Nearest: Midnight blue

#1B004A is a violet with RGB values 27, 0, 74 and HSL 262°, 100%, 15%. 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

#1B004A#1B004A
HEX#1B004A
RGBrgb(27, 0, 74)
RGB (0–1)0.1059, 0, 0.2902
RGB percentages10.6%, 0%, 29%
HSLhsl(261.9, 100%, 14.5%)
HSV / HSBhsv(261.9, 100%, 29%)
CMYK63.5%, 100%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,769,546
CSS custom property--colour: #1B004A;

Brightness & contrast

Relative luminance0.00727WCAG 2.x, 0 is black and 1 is white
Perceived brightness29 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.33:1
Contrast with white18.33:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#E4FFB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00164Cno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#001349no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#051828no blue cones; rare, and affects men and women equally; ΔE 43 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.33:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.9Dark slateblue · ΔE 25.4Indigo · ΔE 27Rebecca purple · ΔE 29.1Navy · ΔE 29.8Purple · ΔE 34.8
Nearest named CSS colourMidnight blue (#191970)ΔE 13.88, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F4A00
Analogous#000A4A, #40004A
Triadic#4A1B00, #004A1B
Split complementary#4A4000, #0A4A00
Tetradic#4A000A, #2F4A00, #004A40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C17FF
Lighter +30%#5300E3
Lighter +20%#4000B0
Lighter +10%#2E007D
Darker −10%#080017
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B004A
Less saturated −25%#1E0941

Channel breakdown

R27
G0
B74
Red27 (10.6%)
Green0 (0%)
Blue74 (29%)
Hue261.89°
Saturation (HSL)100%
Lightness14.51%
Dominant channelBlue
Hex per channelR 1B · G 00 · B 4A

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 “1b004a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.