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Recognised as Colour

#2D89B7

  • #2D89B7
  • Blue
  • Dark
  • Nearest: Steel blue

#2D89B7 is a blue with RGB values 45, 137, 183 and HSL 200°, 61%, 45%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2D89B7#2D89B7
HEX#2D89B7
RGBrgb(45, 137, 183)
RGB (0–1)0.1765, 0.5373, 0.7176
RGB percentages17.6%, 53.7%, 71.8%
HSLhsl(200, 60.5%, 44.7%)
HSV / HSBhsv(200, 75.4%, 71.8%)
CMYK75.4%, 25.1%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,984,375
CSS custom property--colour: #2D89B7;

Brightness & contrast

Relative luminance0.21868WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.37:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.37:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#D27648

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7388B9no red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#607BB6no green cones; the most common form, about 1% of men; ΔE 17.9 from the original
Tritanopia#009599no blue cones; rare, and affects men and women equally; ΔE 28.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.2Deep skyblue · ΔE 22.5Light slate grey · ΔE 22.6Slate grey · ΔE 23Light skyblue · ΔE 26Cadetblue · ΔE 26.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B75B2D
Analogous#2DB7A0, #2D44B7
Triadic#B72D89, #89B72D
Split complementary#B72D44, #B7A02D
Tetradic#A02DB7, #B75B2D, #44B72D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0E0F0
Lighter +30%#97CCE6
Lighter +20%#6FB7DB
Lighter +10%#46A3D1
Darker −10%#236A8E
Darker −20%#194C65
Darker −30%#0F2D3C
Darker −40%#050E13
More saturated +25%#1193D3
Less saturated −25%#4A809B

Channel breakdown

R45
G137
B183
Red45 (17.6%)
Green137 (53.7%)
Blue183 (71.8%)
Hue200°
Saturation (HSL)60.53%
Lightness44.71%
Dominant channelBlue
Hex per channelR 2D · G 89 · B B7

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Every value on this page was computed from “2d89b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.