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Colour

#0F458F

  • #0F458F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0F458F is a blue with RGB values 15, 69, 143 and HSL 215°, 81%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F458F#0F458F
HEX#0F458F
RGBrgb(15, 69, 143)
RGB (0–1)0.0588, 0.2706, 0.5608
RGB percentages5.9%, 27.1%, 56.1%
HSLhsl(214.7, 81%, 31%)
HSV / HSBhsv(214.7, 89.5%, 56.1%)
CMYK89.5%, 51.7%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,000,847
CSS custom property--colour: #0F458F;

Brightness & contrast

Relative luminance0.06341WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.26:1
Contrast with white9.26:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#F0BA70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#144D92no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#00428Eno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#005763no blue cones; rare, and affects men and women equally; ΔE 44.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.26:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.6Midnight blue · ΔE 24Royal blue · ΔE 29.5Rebecca purple · ΔE 30.1Slate blue · ΔE 30.1Steel blue · ΔE 31.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F590F
Analogous#0F858F, #190F8F
Triadic#8F0F45, #458F0F
Split complementary#8F190F, #858F0F
Tetradic#8F0F85, #8F590F, #0F8F19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79ACF1
Lighter +30%#4B8FEC
Lighter +20%#1D72E7
Lighter +10%#145BBD
Darker −10%#0A2F61
Darker −20%#051833
Darker −30%#000205
Darker −40%#000000
More saturated +25%#00439E
Less saturated −25%#23487B

Channel breakdown

R15
G69
B143
Red15 (5.9%)
Green69 (27.1%)
Blue143 (56.1%)
Hue214.69°
Saturation (HSL)81.01%
Lightness30.98%
Dominant channelBlue
Hex per channelR 0F · G 45 · B 8F

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Every value on this page was computed from “0f458f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.