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Recognised as Colour

#97B4D0

  • #97B4D0
  • Blue
  • Dark
  • Nearest: Light steelblue

#97B4D0 is a blue with RGB values 151, 180, 208 and HSL 209°, 38%, 70%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#97B4D0#97B4D0
HEX#97B4D0
RGBrgb(151, 180, 208)
RGB (0–1)0.5922, 0.7059, 0.8157
RGB percentages59.2%, 70.6%, 81.6%
HSLhsl(209.5, 37.7%, 70.4%)
HSV / HSBhsv(209.5, 27.4%, 81.6%)
CMYK27.4%, 13.5%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,942,224
CSS custom property--colour: #97B4D0;

Brightness & contrast

Relative luminance0.43776WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.76:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.76:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#684B2F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9B4D1no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#A2AECFno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#87BABDno blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.76:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 7.1Sky blue · ΔE 13.9Light blue · ΔE 15.1Light skyblue · ΔE 15.4Light slate grey · ΔE 17.4Dark grey · ΔE 18
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 7.09, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D0B397
Analogous#97D0CF, #9798D0
Triadic#D097B4, #B4D097
Split complementary#D09798, #D0CF97
Tetradic#CF97D0, #D0B397, #98D097

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#DDE7F0
Lighter +10%#BACDE0
Darker −10%#749BC0
Darker −20%#5181B0
Darker −30%#40688E
Darker −40%#304E6B
More saturated +25%#84B4E3
Less saturated −25%#AAB4BD

Channel breakdown

R151
G180
B208
Red151 (59.2%)
Green180 (70.6%)
Blue208 (81.6%)
Hue209.47°
Saturation (HSL)37.75%
Lightness70.39%
Dominant channelBlue
Hex per channelR 97 · G B4 · B D0

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Every value on this page was computed from “97b4d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.