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Recognised as Colour

#1F97FC

  • #1F97FC
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1F97FC is a blue with RGB values 31, 151, 252 and HSL 207°, 97%, 55%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1F97FC#1F97FC
HEX#1F97FC
RGBrgb(31, 151, 252)
RGB (0–1)0.1216, 0.5922, 0.9882
RGB percentages12.2%, 59.2%, 98.8%
HSLhsl(207.4, 97.4%, 55.5%)
HSV / HSBhsv(207.4, 87.7%, 98.8%)
CMYK87.7%, 40.1%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,070,524
CSS custom property--colour: #1F97FC;

Brightness & contrast

Relative luminance0.29453WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.89:1
Contrast with white3.05:1WCAG normal text: Fail
Contrast with black6.89:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#E06803

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#649EFFno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#3F8BFAno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00AFBDno blue cones; rare, and affects men and women equally; ΔE 55.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.05:1WCAG large text: AA
Contrast with black, large text6.89:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.2Cornflower blue · ΔE 10.7Royal blue · ΔE 26.1Steel blue · ΔE 29.4Deep skyblue · ΔE 29.9Medium purple · ΔE 33.8
Nearest named CSS colourDodgerblue (#1E90FF)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#FC841F
Analogous#1FFCF3, #1F28FC
Triadic#FC1F97, #97FC1F
Split complementary#FC1F28, #FCF31F
Tetradic#F31FFC, #FC841F, #29FC1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8F4FF
Lighter +30%#B6DDFE
Lighter +20%#84C6FD
Lighter +10%#51AEFD
Darker −10%#037EE5
Darker −20%#0262B3
Darker −30%#024680
Darker −40%#012B4E
More saturated +25%#1C97FF
Less saturated −25%#3B95E0

Channel breakdown

R31
G151
B252
Red31 (12.2%)
Green151 (59.2%)
Blue252 (98.8%)
Hue207.42°
Saturation (HSL)97.36%
Lightness55.49%
Dominant channelBlue
Hex per channelR 1F · G 97 · B FC

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Every value on this page was computed from “1f97fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.