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Recognised as Colour

#2603AA

  • #2603AA
  • Blue
  • Dark
  • Nearest: Dark blue

#2603AA is a blue with RGB values 38, 3, 170 and HSL 253°, 97%, 34%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2603AA#2603AA
HEX#2603AA
RGBrgb(38, 3, 170)
RGB (0–1)0.149, 0.0118, 0.6667
RGB percentages14.9%, 1.2%, 66.7%
HSLhsl(252.6, 96.5%, 33.9%)
HSV / HSBhsv(252.6, 98.2%, 66.7%)
CMYK77.6%, 98.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,491,306
CSS custom property--colour: #2603AA;

Brightness & contrast

Relative luminance0.03379WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.53:1
Contrast with white12.53:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#D9FC55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003AAEno red cones; affects about 1% of men; ΔE 29.1 from the original
Deuteranopia#002CA8no green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#004562no blue cones; rare, and affects men and women equally; ΔE 85.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.53:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.9Medium blue · ΔE 17.8Navy · ΔE 18.1Blue violet · ΔE 23.8Indigo · ΔE 24.1Dark violet · ΔE 26.3
Nearest named CSS colourDark blue (#00008B)ΔE 12.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#87AA03
Analogous#0333AA, #7903AA
Triadic#AA2603, #03AA26
Split complementary#AA7903, #33AA03
Tetradic#AA0334, #87AA03, #03AA79

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#977CFD
Lighter +30%#6F4AFC
Lighter +20%#4818FB
Lighter +10%#3104DC
Darker −10%#1B0278
Darker −20%#100146
Darker −30%#040014
Darker −40%#000000
More saturated +25%#2400AD
Less saturated −25%#331994

Channel breakdown

R38
G3
B170
Red38 (14.9%)
Green3 (1.2%)
Blue170 (66.7%)
Hue252.57°
Saturation (HSL)96.53%
Lightness33.92%
Dominant channelBlue
Hex per channelR 26 · G 03 · B AA

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Every value on this page was computed from “2603aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.