Nerdulator> put something in

Colour

#212A53

  • #212A53
  • Blue
  • Dark
  • Nearest: Dark slateblue

#212A53 is a blue with RGB values 33, 42, 83 and HSL 229°, 43%, 23%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#212A53#212A53
HEX#212A53
RGBrgb(33, 42, 83)
RGB (0–1)0.1294, 0.1647, 0.3255
RGB percentages12.9%, 16.5%, 32.5%
HSLhsl(229.2, 43.1%, 22.7%)
HSV / HSBhsv(229.2, 60.2%, 32.5%)
CMYK60.2%, 49.4%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,173,523
CSS custom property--colour: #212A53;

Brightness & contrast

Relative luminance0.02604WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.81:1
Contrast with white13.81:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#DED5AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#182F55no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#112B52no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#06333Ano blue cones; rare, and affects men and women equally; ΔE 28 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.81:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.7Midnight blue · ΔE 31.9Black · ΔE 33.6Dark slate grey · ΔE 33.9Steel blue · ΔE 37.4Dim grey · ΔE 38.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#534A21
Analogous#214353, #312153
Triadic#53212A, #2A5321
Split complementary#533121, #435321
Tetradic#532143, #534A21, #215331

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7786C9
Lighter +30%#5365BA
Lighter +20%#3E4F9C
Lighter +10%#303C77
Darker −10%#12182F
Darker −20%#04050A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#132162
Less saturated −25%#303344

Channel breakdown

R33
G42
B83
Red33 (12.9%)
Green42 (16.5%)
Blue83 (32.5%)
Hue229.2°
Saturation (HSL)43.1%
Lightness22.75%
Dominant channelBlue
Hex per channelR 21 · G 2A · B 53

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 “212a53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.