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Recognised as Colour

#2D5989

  • #2D5989
  • Blue
  • Dark
  • Nearest: Steel blue

#2D5989 is a blue with RGB values 45, 89, 137 and HSL 211°, 51%, 36%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2D5989#2D5989
HEX#2D5989
RGBrgb(45, 89, 137)
RGB (0–1)0.1765, 0.349, 0.5373
RGB percentages17.6%, 34.9%, 53.7%
HSLhsl(211.3, 50.5%, 35.7%)
HSV / HSBhsv(211.3, 67.2%, 53.7%)
CMYK67.2%, 35%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,972,041
CSS custom property--colour: #2D5989;

Brightness & contrast

Relative luminance0.09509WCAG 2.x, 0 is black and 1 is white
Perceived brightness86 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.24:1
Contrast with white7.24:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#D2A676

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#445C8Bno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#375388no green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#00646Ano blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.24:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.4Slate grey · ΔE 26.2Light slate grey · ΔE 27.8Dark slateblue · ΔE 27.9Dark slate grey · ΔE 30.9Cornflower blue · ΔE 31.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#895D2D
Analogous#2D8789, #2F2D89
Triadic#892D59, #59892D
Split complementary#892F2D, #87892D
Tetradic#892D87, #895D2D, #2D892F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2C0E0
Lighter +30%#7BA6D4
Lighter +20%#558CC7
Lighter +10%#3A72AF
Darker −10%#204063
Darker −20%#14273C
Darker −30%#070E16
Darker −40%#000000
More saturated +25%#1658A0
Less saturated −25%#445A72

Channel breakdown

R45
G89
B137
Red45 (17.6%)
Green89 (34.9%)
Blue137 (53.7%)
Hue211.3°
Saturation (HSL)50.55%
Lightness35.69%
Dominant channelBlue
Hex per channelR 2D · G 59 · B 89

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Every value on this page was computed from “2d5989” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.