Nerdulator> put something in

Recognised as Colour

#152AAA

  • #152AAA
  • Blue
  • Dark
  • Nearest: Dark blue

#152AAA is a blue with RGB values 21, 42, 170 and HSL 232°, 78%, 37%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#152AAA#152AAA
HEX#152AAA
RGBrgb(21, 42, 170)
RGB (0–1)0.0824, 0.1647, 0.6667
RGB percentages8.2%, 16.5%, 66.7%
HSLhsl(231.5, 78%, 37.5%)
HSV / HSBhsv(231.5, 87.6%, 66.7%)
CMYK87.6%, 75.3%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,387,178
CSS custom property--colour: #152AAA;

Brightness & contrast

Relative luminance0.04718WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.81:1
Contrast with white10.81:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#EAD555

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045AEno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#0036A8no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#005068no blue cones; rare, and affects men and women equally; ΔE 73 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.81:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14Navy · ΔE 14.8Indigo · ΔE 19.4Rebecca purple · ΔE 23.1Slate blue · ΔE 23.3Midnight blue · ΔE 24.3
Nearest named CSS colourDark blue (#00008B)ΔE 14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA9515
Analogous#1575AA, #4A15AA
Triadic#AA152A, #2AAA15
Split complementary#AA4A15, #75AA15
Tetradic#AA1575, #AA9515, #15AA4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99A5F2
Lighter +30%#6B7EED
Lighter +20%#3E56E7
Lighter +10%#1B35D7
Darker −10%#0F1F7D
Darker −20%#0A144F
Darker −30%#040822
Darker −40%#000000
More saturated +25%#001BBF
Less saturated −25%#2D3B92

Channel breakdown

R21
G42
B170
Red21 (8.2%)
Green42 (16.5%)
Blue170 (66.7%)
Hue231.54°
Saturation (HSL)78.01%
Lightness37.45%
Dominant channelBlue
Hex per channelR 15 · G 2A · B AA

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 “152aaa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.