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Recognised as Colour

#210A69

  • #210A69
  • Blue
  • Dark
  • Nearest: Midnight blue

#210A69 is a blue with RGB values 33, 10, 105 and HSL 255°, 83%, 23%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#210A69#210A69
HEX#210A69
RGBrgb(33, 10, 105)
RGB (0–1)0.1294, 0.0392, 0.4118
RGB percentages12.9%, 3.9%, 41.2%
HSLhsl(254.5, 82.6%, 22.5%)
HSV / HSBhsv(254.5, 90.5%, 41.2%)
CMYK68.6%, 90.5%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,165,353
CSS custom property--colour: #210A69;

Brightness & contrast

Relative luminance0.0156WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.01:1
Contrast with white16.01:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#DEF596

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00256Bno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#001E67no green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#00293Cno blue cones; rare, and affects men and women equally; ΔE 54.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.01:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.8Indigo · ΔE 16.1Navy · ΔE 17.8Rebecca purple · ΔE 20.7Dark slateblue · ΔE 22.8Dark blue · ΔE 22.8
Nearest named CSS colourMidnight blue (#191970)ΔE 6.85, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#52690A
Analogous#0A2269, #510A69
Triadic#69210A, #0A6921
Split complementary#69510A, #22690A
Tetradic#690A22, #52690A, #0A6951

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7751EE
Lighter +30%#5222EA
Lighter +20%#3E13C6
Lighter +10%#300E98
Darker −10%#12063A
Darker −20%#04010C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C0073
Less saturated −25%#28185B

Channel breakdown

R33
G10
B105
Red33 (12.9%)
Green10 (3.9%)
Blue105 (41.2%)
Hue254.53°
Saturation (HSL)82.61%
Lightness22.55%
Dominant channelBlue
Hex per channelR 21 · G 0A · B 69

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Every value on this page was computed from “210a69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.