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Recognised as Colour

#0A43DB

  • #0A43DB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0A43DB is a blue with RGB values 10, 67, 219 and HSL 224°, 91%, 45%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0A43DB#0A43DB
HEX#0A43DB
RGBrgb(10, 67, 219)
RGB (0–1)0.0392, 0.2627, 0.8588
RGB percentages3.9%, 26.3%, 85.9%
HSLhsl(223.6, 91.3%, 44.9%)
HSV / HSBhsv(223.6, 95.4%, 85.9%)
CMYK95.4%, 69.4%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer672,731
CSS custom property--colour: #0A43DB;

Brightness & contrast

Relative luminance0.09193WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.4:1
Contrast with white7.4:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#F5BC24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FE0no red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#004CD8no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#006E8Ano blue cones; rare, and affects men and women equally; ΔE 83.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.4:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 22.2Dark blue · ΔE 25.5Slate blue · ΔE 25.9Royal blue · ΔE 26.2Blue violet · ΔE 27.1Medium blue · ΔE 28
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBA20A
Analogous#0AACDB, #3A0ADB
Triadic#DB0A43, #43DB0A
Split complementary#DB390A, #ACDB0A
Tetradic#DB0AAB, #DBA20A, #0ADB39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5C9FC
Lighter +30%#85A4F9
Lighter +20%#5480F7
Lighter +10%#235CF5
Darker −10%#0834AA
Darker −20%#062579
Darker −30%#031649
Darker −40%#010718
More saturated +25%#003EE5
Less saturated −25%#2750BE

Channel breakdown

R10
G67
B219
Red10 (3.9%)
Green67 (26.3%)
Blue219 (85.9%)
Hue223.64°
Saturation (HSL)91.27%
Lightness44.9%
Dominant channelBlue
Hex per channelR 0A · G 43 · B DB

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Every value on this page was computed from “0a43db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.