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Recognised as Colour

#2A236E

  • #2A236E
  • Blue
  • Dark
  • Nearest: Midnight blue

#2A236E is a blue with RGB values 42, 35, 110 and HSL 246°, 52%, 28%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2A236E#2A236E
HEX#2A236E
RGBrgb(42, 35, 110)
RGB (0–1)0.1647, 0.1373, 0.4314
RGB percentages16.5%, 13.7%, 43.1%
HSLhsl(245.6, 51.7%, 28.4%)
HSV / HSBhsv(245.6, 68.2%, 43.1%)
CMYK61.8%, 68.2%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,761,582
CSS custom property--colour: #2A236E;

Brightness & contrast

Relative luminance0.0282WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.43:1
Contrast with white13.43:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#D5DC91

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003270no red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#002C6Dno green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#003645no blue cones; rare, and affects men and women equally; ΔE 46.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.43:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.2Dark slateblue · ΔE 11.6Rebecca purple · ΔE 21.5Indigo · ΔE 27Navy · ΔE 30.9Slate blue · ΔE 31.5
Nearest named CSS colourMidnight blue (#191970)ΔE 9.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#676E23
Analogous#23416E, #50236E
Triadic#6E2A23, #236E2A
Split complementary#6E5023, #416E23
Tetradic#6E2341, #676E23, #236E50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8D85D8
Lighter +30%#685ECC
Lighter +20%#483CBB
Lighter +10%#392F95
Darker −10%#1B1747
Darker −20%#0C0A21
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B1180
Less saturated −25%#39355C

Channel breakdown

R42
G35
B110
Red42 (16.5%)
Green35 (13.7%)
Blue110 (43.1%)
Hue245.6°
Saturation (HSL)51.72%
Lightness28.43%
Dominant channelBlue
Hex per channelR 2A · G 23 · B 6E

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Every value on this page was computed from “2a236e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.