Nerdulator> put something in

Recognised as Colour

#2D77A1

  • #2D77A1
  • Blue
  • Dark
  • Nearest: Steel blue

#2D77A1 is a blue with RGB values 45, 119, 161 and HSL 202°, 56%, 40%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2D77A1#2D77A1
HEX#2D77A1
RGBrgb(45, 119, 161)
RGB (0–1)0.1765, 0.4667, 0.6314
RGB percentages17.6%, 46.7%, 63.1%
HSLhsl(201.7, 56.3%, 40.4%)
HSV / HSBhsv(201.7, 72%, 63.1%)
CMYK72%, 26.1%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,979,745
CSS custom property--colour: #2D77A1;

Brightness & contrast

Relative luminance0.16325WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.92:1
Contrast with white4.92:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#D2885E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6377A3no red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#536BA0no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#008285no blue cones; rare, and affects men and women equally; ΔE 27.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.92:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Steel blue · ΔE 7.4Slate grey · ΔE 20.4Light slate grey · ΔE 20.9Cadetblue · ΔE 28Teal · ΔE 29Deep skyblue · ΔE 29.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A1572D
Analogous#2DA191, #2D3DA1
Triadic#A12D77, #77A12D
Split complementary#A12D3D, #A1912D
Tetradic#912DA1, #A1572D, #3DA12D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1D5E9
Lighter +30%#89BFDE
Lighter +20%#61AAD3
Lighter +10%#3994C8
Darker −10%#225A79
Darker −20%#173C51
Darker −30%#0C1F29
Darker −40%#000102
More saturated +25%#137EBB
Less saturated −25%#477087

Channel breakdown

R45
G119
B161
Red45 (17.6%)
Green119 (46.7%)
Blue161 (63.1%)
Hue201.72°
Saturation (HSL)56.31%
Lightness40.39%
Dominant channelBlue
Hex per channelR 2D · G 77 · B A1

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 “2d77a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.