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Recognised as Colour

#004B72

  • #004B72
  • Blue
  • Dark
  • Nearest: Steel blue

#004B72 is a blue with RGB values 0, 75, 114 and HSL 201°, 100%, 22%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#004B72#004B72
HEX#004B72
RGBrgb(0, 75, 114)
RGB (0–1)0, 0.2941, 0.4471
RGB percentages0%, 29.4%, 44.7%
HSLhsl(200.5, 100%, 22.4%)
HSV / HSBhsv(200.5, 100%, 44.7%)
CMYK100%, 34.2%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,314
CSS custom property--colour: #004B72;

Brightness & contrast

Relative luminance0.06247WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.34:1
Contrast with white9.34:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FFB48D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#384C74no red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#294271no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#005559no blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.34:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.8Dark slate grey · ΔE 25.4Slate grey · ΔE 28.8Light slate grey · ΔE 31Dim grey · ΔE 31.8Dark slateblue · ΔE 33.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#722700
Analogous#007260, #001272
Triadic#72004B, #4B7200
Split complementary#720012, #726000
Tetradic#600072, #722700, #127200

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3FBDFF
Lighter +30%#0CACFF
Lighter +20%#008ED8
Lighter +10%#006DA5
Darker −10%#00293F
Darker −20%#00080C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004B72
Less saturated −25%#0E4764

Channel breakdown

R0
G75
B114
Red0 (0%)
Green75 (29.4%)
Blue114 (44.7%)
Hue200.53°
Saturation (HSL)100%
Lightness22.35%
Dominant channelBlue
Hex per channelR 00 · G 4B · B 72

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Every value on this page was computed from “004b72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.