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Recognised as Colour

#0A3BF1

  • #0A3BF1
  • Blue
  • Dark
  • Nearest: Medium blue

#0A3BF1 is a blue with RGB values 10, 59, 241 and HSL 227°, 92%, 49%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0A3BF1#0A3BF1
HEX#0A3BF1
RGBrgb(10, 59, 241)
RGB (0–1)0.0392, 0.2314, 0.9451
RGB percentages3.9%, 23.1%, 94.5%
HSLhsl(227.3, 92%, 49.2%)
HSV / HSBhsv(227.3, 95.9%, 94.5%)
CMYK95.9%, 75.5%, 0%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer670,705
CSS custom property--colour: #0A3BF1;

Brightness & contrast

Relative luminance0.09543WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.22:1
Contrast with white7.22:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#F5C40E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062F6no red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#004CEEno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#007394no blue cones; rare, and affects men and women equally; ΔE 97.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.22:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.2Blue violet · ΔE 22.6Blue · ΔE 28.2Dark violet · ΔE 29.7Dark blue · ΔE 32.9Dark orchid · ΔE 33.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F1C00A
Analogous#0AAFF1, #4C0AF1
Triadic#F10A3B, #3BF10A
Split complementary#F14C0A, #AFF10A
Tetradic#F10AAF, #F1C00A, #0AF14C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD5FD
Lighter +30%#99AEFB
Lighter +20%#6887F9
Lighter +10%#3760F7
Darker −10%#082FC0
Darker −20%#06238F
Darker −30%#04175E
Darker −40%#020B2D
More saturated +25%#0035FB
Less saturated −25%#294DD2

Channel breakdown

R10
G59
B241
Red10 (3.9%)
Green59 (23.1%)
Blue241 (94.5%)
Hue227.27°
Saturation (HSL)92.03%
Lightness49.22%
Dominant channelBlue
Hex per channelR 0A · G 3B · B F1

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Every value on this page was computed from “0a3bf1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.