Nerdulator> put something in

Recognised as Colour

#090921

  • #090921
  • Blue
  • Dark
  • Nearest: Black

#090921 is a blue with RGB values 9, 9, 33 and HSL 240°, 57%, 8%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#090921#090921
HEX#090921
RGBrgb(9, 9, 33)
RGB (0–1)0.0353, 0.0353, 0.1294
RGB percentages3.5%, 3.5%, 12.9%
HSLhsl(240, 57.1%, 8.2%)
HSV / HSBhsv(240, 72.7%, 12.9%)
CMYK72.7%, 72.7%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer592,161
CSS custom property--colour: #090921;

Brightness & contrast

Relative luminance0.00363WCAG 2.x, 0 is black and 1 is white
Perceived brightness14 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.58:1
Contrast with white19.58:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#F6F6DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#010D22no red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#000B20no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#020E13no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.58:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 15.9Dark slate grey · ΔE 34.7Dark slateblue · ΔE 44Dim grey · ΔE 44Midnight blue · ΔE 45.4Slate grey · ΔE 50.3
Nearest named CSS colourBlack (#000000)ΔE 15.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#212109
Analogous#091521, #150921
Triadic#210909, #092109
Split complementary#211509, #152109
Tetradic#210915, #212109, #092115

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3535C1
Lighter +30%#2A2A99
Lighter +20%#1F1F71
Lighter +10%#141449
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#040426
Less saturated −25%#0E0E1C

Channel breakdown

R9
G9
B33
Red9 (3.5%)
Green9 (3.5%)
Blue33 (12.9%)
Hue240°
Saturation (HSL)57.14%
Lightness8.24%
Dominant channelBlue
Hex per channelR 09 · G 09 · B 21

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 “hex 090921” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.