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Colour

#0191DA

  • #0191DA
  • Blue
  • Dark
  • Nearest: Steel blue

#0191DA is a blue with RGB values 1, 145, 218 and HSL 200°, 99%, 43%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0191DA#0191DA
HEX#0191DA
RGBrgb(1, 145, 218)
RGB (0–1)0.0039, 0.5686, 0.8549
RGB percentages0.4%, 56.9%, 85.5%
HSLhsl(200.2, 99.1%, 42.9%)
HSV / HSBhsv(200.2, 99.5%, 85.5%)
CMYK99.5%, 33.5%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer102,874
CSS custom property--colour: #0191DA;

Brightness & contrast

Relative luminance0.25319WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.06:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.06:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#FE6E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E93DDno red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#5282D9no green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#00A3ABno blue cones; rare, and affects men and women equally; ΔE 41.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.06:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.8Cornflower blue · ΔE 16Deep skyblue · ΔE 19.6Dodgerblue · ΔE 23.4Light skyblue · ΔE 28.9Sky blue · ΔE 34.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA4A01
Analogous#01DAB6, #0125DA
Triadic#DA0191, #91DA01
Split complementary#DA0124, #DAB601
Tetradic#B701DA, #DA4A01, #25DA01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8E2FF
Lighter +30%#76D0FE
Lighter +20%#43BFFE
Lighter +10%#10AEFE
Darker −10%#016FA7
Darker −20%#014D74
Darker −30%#002C42
Darker −40%#000A0F
More saturated +25%#0091DB
Less saturated −25%#1C88BF

Channel breakdown

R1
G145
B218
Red1 (0.4%)
Green145 (56.9%)
Blue218 (85.5%)
Hue200.18°
Saturation (HSL)99.09%
Lightness42.94%
Dominant channelBlue
Hex per channelR 01 · G 91 · B DA

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Every value on this page was computed from “0191da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.