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Colour

#005997

  • #005997
  • Blue
  • Dark
  • Nearest: Steel blue

#005997 is a blue with RGB values 0, 89, 151 and HSL 205°, 100%, 30%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#005997#005997
HEX#005997
RGBrgb(0, 89, 151)
RGB (0–1)0, 0.349, 0.5922
RGB percentages0%, 34.9%, 59.2%
HSLhsl(204.6, 100%, 29.6%)
HSV / HSBhsv(204.6, 100%, 59.2%)
CMYK100%, 41.1%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,935
CSS custom property--colour: #005997;

Brightness & contrast

Relative luminance0.09379WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.3:1
Contrast with white7.3:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#FFA668

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A5D99no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#215196no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#006870no blue cones; rare, and affects men and women equally; ΔE 37.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.3:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.7Dark slateblue · ΔE 24.8Cornflower blue · ΔE 27.8Dodgerblue · ΔE 33.4Slate grey · ΔE 33.9Light slate grey · ΔE 35.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#973E00
Analogous#00978A, #000E97
Triadic#970059, #599700
Split complementary#97000E, #978900
Tetradic#8A0097, #973E00, #0E9700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64BFFF
Lighter +30%#31AAFF
Lighter +20%#0095FD
Lighter +10%#0077CA
Darker −10%#003B64
Darker −20%#001D31
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005997
Less saturated −25%#135684

Channel breakdown

R0
G89
B151
Red0 (0%)
Green89 (34.9%)
Blue151 (59.2%)
Hue204.64°
Saturation (HSL)100%
Lightness29.61%
Dominant channelBlue
Hex per channelR 00 · G 59 · B 97

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Every value on this page was computed from “hex 005997” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.