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Recognised as Colour

#0F4090

  • #0F4090
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F4090 is a blue with RGB values 15, 64, 144 and HSL 217°, 81%, 31%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F4090#0F4090
HEX#0F4090
RGBrgb(15, 64, 144)
RGB (0–1)0.0588, 0.251, 0.5647
RGB percentages5.9%, 25.1%, 56.5%
HSLhsl(217.2, 81.1%, 31.2%)
HSV / HSBhsv(217.2, 89.6%, 56.5%)
CMYK89.6%, 55.6%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer999,568
CSS custom property--colour: #0F4090;

Brightness & contrast

Relative luminance0.05782WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.74:1
Contrast with white9.74:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#F0BF6F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A93no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#003F8Eno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#005461no blue cones; rare, and affects men and women equally; ΔE 48.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.74:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.4Midnight blue · ΔE 19.8Rebecca purple · ΔE 26.4Slate blue · ΔE 26.9Royal blue · ΔE 27Medium purple · ΔE 32.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#905F0F
Analogous#0F8190, #1E0F90
Triadic#900F40, #40900F
Split complementary#901F0F, #80900F
Tetradic#900F81, #905F0F, #0F901F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AA7F1
Lighter +30%#4C89EC
Lighter +20%#1D6AE8
Lighter +10%#1455BE
Darker −10%#0A2B62
Darker −20%#051734
Darker −30%#010205
Darker −40%#000000
More saturated +25%#003C9F
Less saturated −25%#23457C

Channel breakdown

R15
G64
B144
Red15 (5.9%)
Green64 (25.1%)
Blue144 (56.5%)
Hue217.21°
Saturation (HSL)81.13%
Lightness31.18%
Dominant channelBlue
Hex per channelR 0F · G 40 · B 90

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Every value on this page was computed from “0f4090” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.