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Colour

#1C0C64

  • #1C0C64
  • Blue
  • Dark
  • Nearest: Midnight blue

#1C0C64 is a blue with RGB values 28, 12, 100 and HSL 251°, 79%, 22%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1C0C64#1C0C64
HEX#1C0C64
RGBrgb(28, 12, 100)
RGB (0–1)0.1098, 0.0471, 0.3922
RGB percentages11%, 4.7%, 39.2%
HSLhsl(250.9, 78.6%, 22%)
HSV / HSBhsv(250.9, 88%, 39.2%)
CMYK72%, 88%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,838,180
CSS custom property--colour: #1C0C64;

Brightness & contrast

Relative luminance0.0143WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.33:1
Contrast with white16.33:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#E3F39B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002366no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#001C63no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#002839no blue cones; rare, and affects men and women equally; ΔE 52.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.33:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.3Indigo · ΔE 19.4Navy · ΔE 21Dark slateblue · ΔE 21.5Rebecca purple · ΔE 22.2Dark blue · ΔE 26
Nearest named CSS colourMidnight blue (#191970)ΔE 5.29, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#54640C
Analogous#0C2864, #480C64
Triadic#641C0C, #0C641C
Split complementary#64480C, #28640C
Tetradic#640C28, #54640C, #0C6448

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D52EA
Lighter +30%#4724E5
Lighter +20%#3517BF
Lighter +10%#291192
Darker −10%#0F0736
Darker −20%#030109
Darker −30%#000000
Darker −40%#000000
More saturated +25%#140070
Less saturated −25%#251A56

Channel breakdown

R28
G12
B100
Red28 (11%)
Green12 (4.7%)
Blue100 (39.2%)
Hue250.91°
Saturation (HSL)78.57%
Lightness21.96%
Dominant channelBlue
Hex per channelR 1C · G 0C · B 64

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Every value on this page was computed from “1c0c64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.