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Recognised as Colour

#1C2B6B

  • #1C2B6B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1C2B6B is a blue with RGB values 28, 43, 107 and HSL 229°, 59%, 26%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1C2B6B#1C2B6B
HEX#1C2B6B
RGBrgb(28, 43, 107)
RGB (0–1)0.1098, 0.1686, 0.4196
RGB percentages11%, 16.9%, 42%
HSLhsl(228.6, 58.5%, 26.5%)
HSV / HSBhsv(228.6, 73.8%, 42%)
CMYK73.8%, 59.8%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,846,123
CSS custom property--colour: #1C2B6B;

Brightness & contrast

Relative luminance0.03036WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.07:1
Contrast with white13.07:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E3D494

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00346Dno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#002D6Ano green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#003B46no blue cones; rare, and affects men and women equally; ΔE 41.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.07:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.7Midnight blue · ΔE 17.8Rebecca purple · ΔE 29.1Slate blue · ΔE 36.1Indigo · ΔE 36.6Royal blue · ΔE 38.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B5C1C
Analogous#1C526B, #351C6B
Triadic#6B1C2B, #2B6B1C
Split complementary#6B351C, #526B1C
Tetradic#6B1C52, #6B5C1C, #1C6B35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#778ADC
Lighter +30%#4F68D1
Lighter +20%#314BBC
Lighter +10%#273B93
Darker −10%#111B43
Darker −20%#070B1A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B217C
Less saturated −25%#2D355A

Channel breakdown

R28
G43
B107
Red28 (11%)
Green43 (16.9%)
Blue107 (42%)
Hue228.61°
Saturation (HSL)58.52%
Lightness26.47%
Dominant channelBlue
Hex per channelR 1C · G 2B · B 6B

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Every value on this page was computed from “1c2b6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.