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Recognised as Colour

#001BC7

  • #001BC7
  • Blue
  • Dark
  • Nearest: Medium blue

#001BC7 is a blue with RGB values 0, 27, 199 and HSL 232°, 100%, 39%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#001BC7#001BC7
HEX#001BC7
RGBrgb(0, 27, 199)
RGB (0–1)0, 0.1059, 0.7804
RGB percentages0%, 10.6%, 78%
HSLhsl(231.9, 100%, 39%)
HSV / HSBhsv(231.9, 100%, 78%)
CMYK100%, 86.4%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,111
CSS custom property--colour: #001BC7;

Brightness & contrast

Relative luminance0.04907WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.6:1
Contrast with white10.6:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#FFE438

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048CBno red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#0034C4no green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#005776no blue cones; rare, and affects men and women equally; ΔE 92.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.6:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.8Dark blue · ΔE 22Blue violet · ΔE 22.2Dark violet · ΔE 26.9Navy · ΔE 27.1Blue · ΔE 31.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7AC00
Analogous#007EC7, #4900C7
Triadic#C7001B, #1BC700
Split complementary#C74900, #7EC700
Tetradic#C7007E, #C7AC00, #00C749

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94A3FF
Lighter +30%#6176FF
Lighter +20%#2E4AFF
Lighter +10%#0022FA
Darker −10%#001494
Darker −20%#000D61
Darker −30%#00062E
Darker −40%#000000
More saturated +25%#001BC7
Less saturated −25%#192DAE

Channel breakdown

R0
G27
B199
Red0 (0%)
Green27 (10.6%)
Blue199 (78%)
Hue231.86°
Saturation (HSL)100%
Lightness39.02%
Dominant channelBlue
Hex per channelR 00 · G 1B · B C7

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Every value on this page was computed from “001bc7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.