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Recognised as Colour

#0022C7

  • #0022C7
  • Blue
  • Dark
  • Nearest: Medium blue

#0022C7 is a blue with RGB values 0, 34, 199 and HSL 230°, 100%, 39%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0022C7#0022C7
HEX#0022C7
RGBrgb(0, 34, 199)
RGB (0–1)0, 0.1333, 0.7804
RGB percentages0%, 13.3%, 78%
HSLhsl(229.7, 100%, 39%)
HSV / HSBhsv(229.7, 100%, 78%)
CMYK100%, 82.9%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,903
CSS custom property--colour: #0022C7;

Brightness & contrast

Relative luminance0.05268WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.23:1
Contrast with white10.23:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFDD38

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ACBno red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#0037C4no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#005977no blue cones; rare, and affects men and women equally; ΔE 90.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.23:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.3Dark blue · ΔE 20.4Blue violet · ΔE 22.5Navy · ΔE 25.2Dark violet · ΔE 27.7Dark orchid · ΔE 30.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7A500
Analogous#0085C7, #4200C7
Triadic#C70022, #22C700
Split complementary#C74100, #86C700
Tetradic#C70085, #C7A500, #00C742

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94A6FF
Lighter +30%#617CFF
Lighter +20%#2E52FF
Lighter +10%#002BFA
Darker −10%#001994
Darker −20%#001161
Darker −30%#00082E
Darker −40%#000000
More saturated +25%#0022C7
Less saturated −25%#1932AE

Channel breakdown

R0
G34
B199
Red0 (0%)
Green34 (13.3%)
Blue199 (78%)
Hue229.75°
Saturation (HSL)100%
Lightness39.02%
Dominant channelBlue
Hex per channelR 00 · G 22 · B C7

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Every value on this page was computed from “0022c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.