Nerdulator> put something in

Recognised as Colour

#2A128E

  • #2A128E
  • Blue
  • Dark
  • Nearest: Navy

#2A128E is a blue with RGB values 42, 18, 142 and HSL 252°, 78%, 31%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#2A128E#2A128E
HEX#2A128E
RGBrgb(42, 18, 142)
RGB (0–1)0.1647, 0.0706, 0.5569
RGB percentages16.5%, 7.1%, 55.7%
HSLhsl(251.6, 77.5%, 31.4%)
HSV / HSBhsv(251.6, 87.3%, 55.7%)
CMYK70.4%, 87.3%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,757,262
CSS custom property--colour: #2A128E;

Brightness & contrast

Relative luminance0.02878WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.33:1
Contrast with white13.33:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#D5ED71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003491no red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#002A8Cno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#003B53no blue cones; rare, and affects men and women equally; ΔE 69 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.33:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Navy · ΔE 7Dark blue · ΔE 8.8Indigo · ΔE 10.6Midnight blue · ΔE 20Rebecca purple · ΔE 20.7Slate blue · ΔE 28.2
Nearest named CSS colourNavy (#000080)ΔE 7.01, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#768E12
Analogous#12388E, #68128E
Triadic#8E2A12, #128E2A
Split complementary#8E6812, #388E12
Tetradic#8E1238, #768E12, #128E68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#937DEF
Lighter +30%#6E50E9
Lighter +20%#4823E3
Lighter +10%#3718BB
Darker −10%#1D0C61
Darker −20%#0F0733
Darker −30%#020106
Darker −40%#000000
More saturated +25%#1F00A0
Less saturated −25%#36267A

Channel breakdown

R42
G18
B142
Red42 (16.5%)
Green18 (7.1%)
Blue142 (55.7%)
Hue251.61°
Saturation (HSL)77.5%
Lightness31.37%
Dominant channelBlue
Hex per channelR 2A · G 12 · B 8E

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 “2a128e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.