Nerdulator> put something in

Recognised as Colour

#2A5790

  • #2A5790
  • Blue
  • Dark
  • Nearest: Steel blue

#2A5790 is a blue with RGB values 42, 87, 144 and HSL 214°, 55%, 36%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2A5790#2A5790
HEX#2A5790
RGBrgb(42, 87, 144)
RGB (0–1)0.1647, 0.3412, 0.5647
RGB percentages16.5%, 34.1%, 56.5%
HSLhsl(213.5, 54.8%, 36.5%)
HSV / HSBhsv(213.5, 70.8%, 56.5%)
CMYK70.8%, 39.6%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,774,928
CSS custom property--colour: #2A5790;

Brightness & contrast

Relative luminance0.09322WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.33:1
Contrast with white7.33:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#D5A86F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D5B92no red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#2E528Fno green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#00646Cno blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.33:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.4Dark slateblue · ΔE 23.1Cornflower blue · ΔE 29Slate grey · ΔE 30.9Light slate grey · ΔE 32.2Dodgerblue · ΔE 36
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90632A
Analogous#2A8A90, #302A90
Triadic#902A57, #57902A
Split complementary#90302A, #8A902A
Tetradic#902A8A, #90632A, #2A9030

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2BFE4
Lighter +30%#7BA4D8
Lighter +20%#5389CD
Lighter +10%#366FB7
Darker −10%#1E3F69
Darker −20%#132741
Darker −30%#070F1A
Darker −40%#000000
More saturated +25%#1354A7
Less saturated −25%#415A79

Channel breakdown

R42
G87
B144
Red42 (16.5%)
Green87 (34.1%)
Blue144 (56.5%)
Hue213.53°
Saturation (HSL)54.84%
Lightness36.47%
Dominant channelBlue
Hex per channelR 2A · G 57 · B 90

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 “2a5790” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.