Nerdulator> put something in

Recognised as Colour

#280A6C

  • #280A6C
  • Violet
  • Dark
  • Nearest: Midnight blue

#280A6C is a violet with RGB values 40, 10, 108 and HSL 258°, 83%, 23%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#280A6C#280A6C
HEX#280A6C
RGBrgb(40, 10, 108)
RGB (0–1)0.1569, 0.0392, 0.4235
RGB percentages15.7%, 3.9%, 42.4%
HSLhsl(258.4, 83.1%, 23.1%)
HSV / HSBhsv(258.4, 90.7%, 42.4%)
CMYK63%, 90.7%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,624,108
CSS custom property--colour: #280A6C;

Brightness & contrast

Relative luminance0.01751WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.55:1
Contrast with white15.55:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#D7F593

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00266Fno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#00216Ano green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#002A3Eno blue cones; rare, and affects men and women equally; ΔE 55.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.55:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.9Indigo · ΔE 14.2Navy · ΔE 17Rebecca purple · ΔE 19.3Dark blue · ΔE 21.8Dark slateblue · ΔE 22.8
Nearest named CSS colourMidnight blue (#191970)ΔE 7.95, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E6C0A
Analogous#0A1D6C, #590A6C
Triadic#6C280A, #0A6C28
Split complementary#6C590A, #1D6C0A
Tetradic#6C0A1D, #4E6C0A, #0A6C59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8353EF
Lighter +30%#6124EB
Lighter +20%#4B13C9
Lighter +10%#390E9B
Darker −10%#17063D
Darker −20%#05010F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#240076
Less saturated −25%#2E195D

Channel breakdown

R40
G10
B108
Red40 (15.7%)
Green10 (3.9%)
Blue108 (42.4%)
Hue258.37°
Saturation (HSL)83.05%
Lightness23.14%
Dominant channelBlue
Hex per channelR 28 · G 0A · B 6C

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 “280a6c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.