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Recognised as Colour

#001128

  • #001128
  • Blue
  • Dark
  • Nearest: Black

#001128 is a blue with RGB values 0, 17, 40 and HSL 215°, 100%, 8%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001128#001128
HEX#001128
RGBrgb(0, 17, 40)
RGB (0–1)0, 0.0667, 0.1569
RGB percentages0%, 6.7%, 15.7%
HSLhsl(214.5, 100%, 7.8%)
HSV / HSBhsv(214.5, 100%, 15.7%)
CMYK100%, 57.5%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,392
CSS custom property--colour: #001128;

Brightness & contrast

Relative luminance0.00554WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.9:1
Contrast with white18.9:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FFEED7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#051329no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#000F28no green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#00171Ano blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.9:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 18.1Dark slate grey · ΔE 32.7Dark slateblue · ΔE 43Dim grey · ΔE 43.1Midnight blue · ΔE 45Slate grey · ΔE 48.5
Nearest named CSS colourBlack (#000000)ΔE 18.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#281700
Analogous#002528, #030028
Triadic#280011, #112800
Split complementary#280300, #252800
Tetradic#280025, #281700, #002803

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0068F4
Lighter +30%#0052C1
Lighter +20%#003C8E
Lighter +10%#00275B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001128
Less saturated −25%#051223

Channel breakdown

R0
G17
B40
Red0 (0%)
Green17 (6.7%)
Blue40 (15.7%)
Hue214.5°
Saturation (HSL)100%
Lightness7.84%
Dominant channelBlue
Hex per channelR 00 · G 11 · B 28

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Every value on this page was computed from “hex 001128” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.