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Recognised as Colour

#0F3DA8

  • #0F3DA8
  • Blue
  • Dark
  • Nearest: Slate blue

#0F3DA8 is a blue with RGB values 15, 61, 168 and HSL 222°, 84%, 36%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0F3DA8#0F3DA8
HEX#0F3DA8
RGBrgb(15, 61, 168)
RGB (0–1)0.0588, 0.2392, 0.6588
RGB percentages5.9%, 23.9%, 65.9%
HSLhsl(222, 83.6%, 35.9%)
HSV / HSBhsv(222, 91.1%, 65.9%)
CMYK91.1%, 63.7%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer998,824
CSS custom property--colour: #0F3DA8;

Brightness & contrast

Relative luminance0.06266WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.32:1
Contrast with white9.32:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#F0C257

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004EABno red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#0040A6no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00596Cno blue cones; rare, and affects men and women equally; ΔE 62.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.32:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.2Royal blue · ΔE 18.4Midnight blue · ΔE 18.5Dark slateblue · ΔE 19.2Rebecca purple · ΔE 20.1Navy · ΔE 25.6
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A87A0F
Analogous#0F89A8, #2E0FA8
Triadic#A80F3D, #3DA80F
Split complementary#A82E0F, #89A80F
Tetradic#A80F89, #A87A0F, #0FA82E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EADF5
Lighter +30%#5F8BF1
Lighter +20%#3069ED
Lighter +10%#134ED7
Darker −10%#0B2C79
Darker −20%#071B4A
Darker −30%#020A1C
Darker −40%#000000
More saturated +25%#0037B7
Less saturated −25%#264691

Channel breakdown

R15
G61
B168
Red15 (5.9%)
Green61 (23.9%)
Blue168 (65.9%)
Hue221.96°
Saturation (HSL)83.61%
Lightness35.88%
Dominant channelBlue
Hex per channelR 0F · G 3D · B A8

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Every value on this page was computed from “0f3da8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.