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Recognised as Colour

#28259D

  • #28259D
  • Blue
  • Dark
  • Nearest: Navy

#28259D is a blue with RGB values 40, 37, 157 and HSL 242°, 62%, 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 Navy.

Colour values

#28259D#28259D
HEX#28259D
RGBrgb(40, 37, 157)
RGB (0–1)0.1569, 0.1451, 0.6157
RGB percentages15.7%, 14.5%, 61.6%
HSLhsl(241.5, 61.9%, 38%)
HSV / HSBhsv(241.5, 76.4%, 61.6%)
CMYK74.5%, 76.4%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,631,069
CSS custom property--colour: #28259D;

Brightness & contrast

Relative luminance0.04209WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.4:1
Contrast with white11.4:1WCAG normal text: AAA
Contrast with black1.84:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D7DA62

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003FA0no red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#00349Bno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#00485Fno blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.4:1WCAG large text: AAA
Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Navy · ΔE 12.8Dark blue · ΔE 13.9Indigo · ΔE 15Rebecca purple · ΔE 18.8Midnight blue · ΔE 19.4Slate blue · ΔE 22.6
Nearest named CSS colourNavy (#000080)ΔE 12.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A9D25
Analogous#255E9D, #64259D
Triadic#9D2825, #259D28
Split complementary#9D6425, #5E9D25
Tetradic#9D255E, #9A9D25, #259D64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6A4EA
Lighter +30%#7E7BE0
Lighter +20%#5552D6
Lighter +10%#332FC6
Darker −10%#1D1B74
Darker −20%#13124A
Darker −30%#080821
Darker −40%#000000
More saturated +25%#110DB5
Less saturated −25%#3F3D85

Channel breakdown

R40
G37
B157
Red40 (15.7%)
Green37 (14.5%)
Blue157 (61.6%)
Hue241.5°
Saturation (HSL)61.86%
Lightness38.04%
Dominant channelBlue
Hex per channelR 28 · G 25 · B 9D

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Every value on this page was computed from “28259d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.