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Colour

#001C43

  • #001C43
  • Blue
  • Dark
  • Nearest: Black

#001C43 is a blue with RGB values 0, 28, 67 and HSL 215°, 100%, 13%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001C43#001C43
HEX#001C43
RGBrgb(0, 28, 67)
RGB (0–1)0, 0.1098, 0.2627
RGB percentages0%, 11%, 26.3%
HSLhsl(214.9, 100%, 13.1%)
HSV / HSBhsv(214.9, 100%, 26.3%)
CMYK100%, 58.2%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,235
CSS custom property--colour: #001C43;

Brightness & contrast

Relative luminance0.01236WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.84:1
Contrast with white16.84:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#FFE3BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#022044no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#001A42no green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#00262Cno blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.84:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 30.6Dark slateblue · ΔE 30.7Midnight blue · ΔE 32.9Dark slate grey · ΔE 37Steel blue · ΔE 43.6Dim grey · ΔE 44.2
Nearest named CSS colourBlack (#000000)ΔE 30.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432700
Analogous#003E43, #050043
Triadic#43001C, #1C4300
Split complementary#430600, #3D4300
Tetradic#43003E, #432700, #004306

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1074FF
Lighter +30%#005CDC
Lighter +20%#0047A9
Lighter +10%#003176
Darker −10%#000710
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001C43
Less saturated −25%#081D3B

Channel breakdown

R0
G28
B67
Red0 (0%)
Green28 (11%)
Blue67 (26.3%)
Hue214.93°
Saturation (HSL)100%
Lightness13.14%
Dominant channelBlue
Hex per channelR 00 · G 1C · B 43

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Every value on this page was computed from “001c43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.