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Recognised as Colour

#1C516D

  • #1C516D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1C516D is a blue with RGB values 28, 81, 109 and HSL 201°, 59%, 27%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C516D#1C516D
HEX#1C516D
RGBrgb(28, 81, 109)
RGB (0–1)0.1098, 0.3176, 0.4275
RGB percentages11%, 31.8%, 42.7%
HSLhsl(200.7, 59.1%, 26.9%)
HSV / HSBhsv(200.7, 74.3%, 42.7%)
CMYK74.3%, 25.7%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,855,853
CSS custom property--colour: #1C516D;

Brightness & contrast

Relative luminance0.07236WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.58:1
Contrast with white8.58:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E3AE92

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44506Eno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#38496Dno green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#00585Ano blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.58:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18Steel blue · ΔE 23.2Slate grey · ΔE 23.6Dim grey · ΔE 25.4Light slate grey · ΔE 26.1Teal · ΔE 29.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D381C
Analogous#1C6D61, #1C286D
Triadic#6D1C51, #516D1C
Split complementary#6D1C28, #6D611C
Tetradic#611C6D, #6D381C, #286D1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79BADC
Lighter +30%#50A5D2
Lighter +20%#318DBE
Lighter +10%#266F96
Darker −10%#123344
Darker −20%#07151C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B567E
Less saturated −25%#2D4C5C

Channel breakdown

R28
G81
B109
Red28 (11%)
Green81 (31.8%)
Blue109 (42.7%)
Hue200.74°
Saturation (HSL)59.12%
Lightness26.86%
Dominant channelBlue
Hex per channelR 1C · G 51 · B 6D

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Every value on this page was computed from “1c516d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.