Nerdulator> put something in

Recognised as Colour

#042753

  • #042753
  • Blue
  • Dark
  • Nearest: Dark slateblue

#042753 is a blue with RGB values 4, 39, 83 and HSL 213°, 91%, 17%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#042753#042753
HEX#042753
RGBrgb(4, 39, 83)
RGB (0–1)0.0157, 0.1529, 0.3255
RGB percentages1.6%, 15.3%, 32.5%
HSLhsl(213.4, 90.8%, 17.1%)
HSV / HSBhsv(213.4, 95.2%, 32.5%)
CMYK95.2%, 53%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer272,211
CSS custom property--colour: #042753;

Brightness & contrast

Relative luminance0.02101WCAG 2.x, 0 is black and 1 is white
Perceived brightness41 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.79:1
Contrast with white14.79:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FBD8AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C2C55no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#002552no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#003239no blue cones; rare, and affects men and women equally; ΔE 29.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.79:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.6Midnight blue · ΔE 31.1Black · ΔE 34.9Dark slate grey · ΔE 36Steel blue · ΔE 38.3Dim grey · ΔE 42.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#533004
Analogous#044F53, #080453
Triadic#530427, #275304
Split complementary#530804, #4F5304
Tetradic#53044F, #533004, #045308

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2E86F5
Lighter +30%#0B6CE5
Lighter +20%#0955B4
Lighter +10%#063E84
Darker −10%#021022
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002757
Less saturated −25%#0F2848

Channel breakdown

R4
G39
B83
Red4 (1.6%)
Green39 (15.3%)
Blue83 (32.5%)
Hue213.42°
Saturation (HSL)90.8%
Lightness17.06%
Dominant channelBlue
Hex per channelR 04 · G 27 · 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 “hex 042753” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.