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Recognised as Colour

#0173B6

  • #0173B6
  • Blue
  • Dark
  • Nearest: Steel blue

#0173B6 is a blue with RGB values 1, 115, 182 and HSL 202°, 99%, 36%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0173B6#0173B6
HEX#0173B6
RGBrgb(1, 115, 182)
RGB (0–1)0.0039, 0.451, 0.7137
RGB percentages0.4%, 45.1%, 71.4%
HSLhsl(202.2, 98.9%, 35.9%)
HSV / HSBhsv(202.2, 99.5%, 71.4%)
CMYK99.5%, 36.8%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer95,158
CSS custom property--colour: #0173B6;

Brightness & contrast

Relative luminance0.15645WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#FE8C49

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5276B9no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#3968B5no green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#00838Cno blue cones; rare, and affects men and women equally; ΔE 38.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.4Cornflower blue · ΔE 20Dodgerblue · ΔE 26.9Deep skyblue · ΔE 30.5Dark slateblue · ΔE 31.9Slate grey · ΔE 32.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B64401
Analogous#01B69F, #0118B6
Triadic#B60173, #73B601
Split complementary#B60118, #B69F01
Tetradic#9F01B6, #B64401, #18B601

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85D1FE
Lighter +30%#52BEFE
Lighter +20%#1FABFE
Lighter +10%#0193E9
Darker −10%#015383
Darker −20%#003351
Darker −30%#00131E
Darker −40%#000000
More saturated +25%#0073B7
Less saturated −25%#186D9F

Channel breakdown

R1
G115
B182
Red1 (0.4%)
Green115 (45.1%)
Blue182 (71.4%)
Hue202.21°
Saturation (HSL)98.91%
Lightness35.88%
Dominant channelBlue
Hex per channelR 01 · G 73 · B B6

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Every value on this page was computed from “0173b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.