Nerdulator> put something in

Recognised as Colour

#2F5F89

  • #2F5F89
  • Blue
  • Dark
  • Nearest: Steel blue

#2F5F89 is a blue with RGB values 47, 95, 137 and HSL 208°, 49%, 36%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2F5F89#2F5F89
HEX#2F5F89
RGBrgb(47, 95, 137)
RGB (0–1)0.1843, 0.3725, 0.5373
RGB percentages18.4%, 37.3%, 53.7%
HSLhsl(208, 48.9%, 36.1%)
HSV / HSBhsv(208, 65.7%, 53.7%)
CMYK65.7%, 30.7%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,104,649
CSS custom property--colour: #2F5F89;

Brightness & contrast

Relative luminance0.10595WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.73:1
Contrast with white6.73:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#D0A076

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D608Bno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#405888no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#00696Eno blue cones; rare, and affects men and women equally; ΔE 27.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.73:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.3Slate grey · ΔE 22.4Light slate grey · ΔE 24.1Dark slate grey · ΔE 27.3Dim grey · ΔE 28.8Gray · ΔE 31.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#89592F
Analogous#2F8986, #2F3289
Triadic#892F5F, #5F892F
Split complementary#892F32, #89862F
Tetradic#862F89, #89592F, #32892F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4C4E0
Lighter +30%#7EABD3
Lighter +20%#5893C6
Lighter +10%#3C79AF
Darker −10%#224563
Darker −20%#152A3D
Darker −30%#081017
Darker −40%#000000
More saturated +25%#1861A0
Less saturated −25%#465D72

Channel breakdown

R47
G95
B137
Red47 (18.4%)
Green95 (37.3%)
Blue137 (53.7%)
Hue208°
Saturation (HSL)48.91%
Lightness36.08%
Dominant channelBlue
Hex per channelR 2F · G 5F · B 89

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 “2f5f89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.