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Recognised as Colour

#1FA5DB

  • #1FA5DB
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#1FA5DB is a cyan with RGB values 31, 165, 219 and HSL 197°, 75%, 49%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#1FA5DB#1FA5DB
HEX#1FA5DB
RGBrgb(31, 165, 219)
RGB (0–1)0.1216, 0.6471, 0.8588
RGB percentages12.2%, 64.7%, 85.9%
HSLhsl(197.2, 75.2%, 49%)
HSV / HSBhsv(197.2, 85.8%, 85.9%)
CMYK85.8%, 24.7%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,074,075
CSS custom property--colour: #1FA5DB;

Brightness & contrast

Relative luminance0.32316WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.46:1
Contrast with white2.81:1WCAG normal text: Fail
Contrast with black7.46:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#E05A24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AA3DEno red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#7293DAno green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#00B4B7no blue cones; rare, and affects men and women equally; ΔE 32.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.81:1WCAG large text: Fail
Contrast with black, large text7.46:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.9Steel blue · ΔE 16.4Light skyblue · ΔE 18.7Sky blue · ΔE 22.1Cornflower blue · ΔE 27.6Light steelblue · ΔE 29.7
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.87, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB551F
Analogous#1FDBB3, #1F47DB
Triadic#DB1FA5, #A5DB1F
Split complementary#DB1F47, #DBB31F
Tetradic#B31FDB, #DB551F, #47DB1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEECF8
Lighter +30%#A1DBF2
Lighter +20%#75C9EB
Lighter +10%#48B8E5
Darker −10%#1983AE
Darker −20%#126282
Darker −30%#0C4055
Darker −40%#061E28
More saturated +25%#00B2FA
Less saturated −25%#3E98BC

Channel breakdown

R31
G165
B219
Red31 (12.2%)
Green165 (64.7%)
Blue219 (85.9%)
Hue197.23°
Saturation (HSL)75.2%
Lightness49.02%
Dominant channelBlue
Hex per channelR 1F · G A5 · B DB

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Every value on this page was computed from “1fa5db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.