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Recognised as Colour

#2A03BD

  • #2A03BD
  • Blue
  • Dark
  • Nearest: Medium blue

#2A03BD is a blue with RGB values 42, 3, 189 and HSL 253°, 97%, 38%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2A03BD#2A03BD
HEX#2A03BD
RGBrgb(42, 3, 189)
RGB (0–1)0.1647, 0.0118, 0.7412
RGB percentages16.5%, 1.2%, 74.1%
HSLhsl(252.6, 96.9%, 37.6%)
HSV / HSBhsv(252.6, 98.4%, 74.1%)
CMYK77.8%, 98.4%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,753,469
CSS custom property--colour: #2A03BD;

Brightness & contrast

Relative luminance0.04231WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.37:1
Contrast with white11.37:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#D5FC42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0042C1no red cones; affects about 1% of men; ΔE 32.4 from the original
Deuteranopia#0031BAno green cones; the most common form, about 1% of men; ΔE 22.6 from the original
Tritanopia#004D6Eno blue cones; rare, and affects men and women equally; ΔE 91.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.37:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.5Blue violet · ΔE 20.7Dark blue · ΔE 21.4Dark violet · ΔE 23.7Navy · ΔE 26.6Dark orchid · ΔE 29.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.45, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96BD03
Analogous#0339BD, #8703BD
Triadic#BD2A03, #03BD2A
Split complementary#BD8703, #39BD03
Tetradic#BD0339, #96BD03, #03BD87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A68FFD
Lighter +30%#7E5DFC
Lighter +20%#562AFC
Lighter +10%#3504EF
Darker −10%#1F028B
Darker −20%#140159
Darker −30%#090126
Darker −40%#000000
More saturated +25%#2800C0
Less saturated −25%#381BA5

Channel breakdown

R42
G3
B189
Red42 (16.5%)
Green3 (1.2%)
Blue189 (74.1%)
Hue252.58°
Saturation (HSL)96.88%
Lightness37.65%
Dominant channelBlue
Hex per channelR 2A · G 03 · B BD

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Every value on this page was computed from “2a03bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.