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Recognised as Colour

#1C197D

  • #1C197D
  • Blue
  • Dark
  • Nearest: Midnight blue

#1C197D is a blue with RGB values 28, 25, 125 and HSL 242°, 67%, 29%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1C197D#1C197D
HEX#1C197D
RGBrgb(28, 25, 125)
RGB (0–1)0.1098, 0.098, 0.4902
RGB percentages11%, 9.8%, 49%
HSLhsl(241.8, 66.7%, 29.4%)
HSV / HSBhsv(241.8, 80%, 49%)
CMYK77.6%, 80%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,841,533
CSS custom property--colour: #1C197D;

Brightness & contrast

Relative luminance0.02423WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#E3E682

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003080no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#00267Bno green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#00374Ano blue cones; rare, and affects men and women equally; ΔE 59.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.6Navy · ΔE 15.3Indigo · ΔE 15.5Rebecca purple · ΔE 18.4Dark blue · ΔE 19.6Dark slateblue · ΔE 21.4
Nearest named CSS colourMidnight blue (#191970)ΔE 7.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A7D19
Analogous#19487D, #4E197D
Triadic#7D1C19, #197D1C
Split complementary#7D4E19, #487D19
Tetradic#7D1948, #7A7D19, #197D4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#807DE5
Lighter +30%#5753DC
Lighter +20%#2F2AD2
Lighter +10%#2622A8
Darker −10%#121153
Darker −20%#090828
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A0690
Less saturated −25%#2E2C6A

Channel breakdown

R28
G25
B125
Red28 (11%)
Green25 (9.8%)
Blue125 (49%)
Hue241.8°
Saturation (HSL)66.67%
Lightness29.41%
Dominant channelBlue
Hex per channelR 1C · G 19 · B 7D

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Every value on this page was computed from “1c197d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.