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Recognised as Colour

#1700CA

  • #1700CA
  • Blue
  • Dark
  • Nearest: Medium blue

#1700CA is a blue with RGB values 23, 0, 202 and HSL 247°, 100%, 40%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1700CA#1700CA
HEX#1700CA
RGBrgb(23, 0, 202)
RGB (0–1)0.0902, 0, 0.7922
RGB percentages9%, 0%, 79.2%
HSLhsl(246.8, 100%, 39.6%)
HSV / HSBhsv(246.8, 100%, 79.2%)
CMYK88.6%, 100%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,507,530
CSS custom property--colour: #1700CA;

Brightness & contrast

Relative luminance0.04446WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.12:1
Contrast with white11.12:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#E8FF35

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045CFno red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#0031C7no green cones; the most common form, about 1% of men; ΔE 22.3 from the original
Tritanopia#005376no blue cones; rare, and affects men and women equally; ΔE 98.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.12:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Medium blue · ΔE 2.1Blue violet · ΔE 22.8Blue · ΔE 23.4Dark violet · ΔE 25.9Dark blue · ΔE 28.4Navy · ΔE 33.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 2.05, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B3CA00
Analogous#004ECA, #7C00CA
Triadic#CA1700, #00CA17
Split complementary#CA7C00, #4ECA00
Tetradic#CA004E, #B3CA00, #00CA7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A397FF
Lighter +30%#7664FF
Lighter +20%#4831FF
Lighter +10%#1D00FD
Darker −10%#110097
Darker −20%#0B0064
Darker −30%#060031
Darker −40%#000000
More saturated +25%#1700CA
Less saturated −25%#2A19B1

Channel breakdown

R23
G0
B202
Red23 (9%)
Green0 (0%)
Blue202 (79.2%)
Hue246.83°
Saturation (HSL)100%
Lightness39.61%
Dominant channelBlue
Hex per channelR 17 · G 00 · B CA

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Every value on this page was computed from “1700ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.