Nerdulator> put something in

Recognised as Colour

#211C3F

  • #211C3F
  • Blue
  • Dark
  • Nearest: Black

#211C3F is a blue with RGB values 33, 28, 63 and HSL 249°, 38%, 18%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#211C3F#211C3F
HEX#211C3F
RGBrgb(33, 28, 63)
RGB (0–1)0.1294, 0.1098, 0.2471
RGB percentages12.9%, 11%, 24.7%
HSLhsl(248.6, 38.5%, 17.8%)
HSV / HSBhsv(248.6, 55.6%, 24.7%)
CMYK47.6%, 55.6%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,169,919
CSS custom property--colour: #211C3F;

Brightness & contrast

Relative luminance0.01513WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.12:1
Contrast with white16.12:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#DEE3C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E2240no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#0E203Eno green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#18232Ano blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.12:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 28.2Dark slateblue · ΔE 30.3Midnight blue · ΔE 33.8Dark slate grey · ΔE 35.7Dim grey · ΔE 40.5Rebecca purple · ΔE 44.2
Nearest named CSS colourBlack (#000000)ΔE 28.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A3F1C
Analogous#1C293F, #321C3F
Triadic#3F211C, #1C3F21
Split complementary#3F321C, #293F1C
Tetradic#3F1C29, #3A3F1C, #1C3F33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#766ABD
Lighter +30%#584BA9
Lighter +20%#463B86
Lighter +10%#332C62
Darker −10%#0F0C1C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#19114A
Less saturated −25%#292734

Channel breakdown

R33
G28
B63
Red33 (12.9%)
Green28 (11%)
Blue63 (24.7%)
Hue248.57°
Saturation (HSL)38.46%
Lightness17.84%
Dominant channelBlue
Hex per channelR 21 · G 1C · B 3F

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 “211c3f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.