Nerdulator> put something in

Recognised as Colour

#2552B6

  • #2552B6
  • Blue
  • Dark
  • Nearest: Royal blue

#2552B6 is a blue with RGB values 37, 82, 182 and HSL 221°, 66%, 43%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#2552B6#2552B6
HEX#2552B6
RGBrgb(37, 82, 182)
RGB (0–1)0.1451, 0.3216, 0.7137
RGB percentages14.5%, 32.2%, 71.4%
HSLhsl(221.4, 66.2%, 42.9%)
HSV / HSBhsv(221.4, 79.7%, 71.4%)
CMYK79.7%, 54.9%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,446,006
CSS custom property--colour: #2552B6;

Brightness & contrast

Relative luminance0.09805WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#DAAD49

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FB9no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#0052B4no green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#006B7Cno blue cones; rare, and affects men and women equally; ΔE 57.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Royal blue · ΔE 13.8Slate blue · ΔE 16.3Dark slateblue · ΔE 17.1Rebecca purple · ΔE 23.8Medium purple · ΔE 24.1Midnight blue · ΔE 25
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B68925
Analogous#259BB6, #4025B6
Triadic#B62552, #52B625
Split complementary#B64025, #9BB625
Tetradic#B6259B, #B68925, #25B640

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7C9F0
Lighter +30%#8CA9E8
Lighter +20%#6289DF
Lighter +10%#3869D6
Darker −10%#1C3F8C
Darker −20%#142C61
Darker −30%#0B1937
Darker −40%#03060C
More saturated +25%#0A48D1
Less saturated −25%#405C9B

Channel breakdown

R37
G82
B182
Red37 (14.5%)
Green82 (32.2%)
Blue182 (71.4%)
Hue221.38°
Saturation (HSL)66.21%
Lightness42.94%
Dominant channelBlue
Hex per channelR 25 · G 52 · B B6

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 “2552b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.