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Recognised as Colour

#0018C4

  • #0018C4
  • Blue
  • Dark
  • Nearest: Medium blue

#0018C4 is a blue with RGB values 0, 24, 196 and HSL 233°, 100%, 38%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0018C4#0018C4
HEX#0018C4
RGBrgb(0, 24, 196)
RGB (0–1)0, 0.0941, 0.7686
RGB percentages0%, 9.4%, 76.9%
HSLhsl(232.7, 100%, 38.4%)
HSV / HSBhsv(232.7, 100%, 76.9%)
CMYK100%, 87.8%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,340
CSS custom property--colour: #0018C4;

Brightness & contrast

Relative luminance0.04639WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.89:1
Contrast with white10.89:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FFE73B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0046C8no red cones; affects about 1% of men; ΔE 28.9 from the original
Deuteranopia#0032C1no green cones; the most common form, about 1% of men; ΔE 16.8 from the original
Tritanopia#005574no blue cones; rare, and affects men and women equally; ΔE 92.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.89:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.7Dark blue · ΔE 21.3Blue violet · ΔE 22.4Navy · ΔE 26.4Dark violet · ΔE 26.9Dark orchid · ΔE 31.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4AC00
Analogous#007AC4, #4A00C4
Triadic#C40018, #18C400
Split complementary#C44A00, #7AC400
Tetradic#C4007A, #C4AC00, #00C44A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#919EFF
Lighter +30%#5E72FF
Lighter +20%#2B45FF
Lighter +10%#001EF7
Darker −10%#001291
Darker −20%#000C5E
Darker −30%#00052B
Darker −40%#000000
More saturated +25%#0018C4
Less saturated −25%#182BAC

Channel breakdown

R0
G24
B196
Red0 (0%)
Green24 (9.4%)
Blue196 (76.9%)
Hue232.65°
Saturation (HSL)100%
Lightness38.43%
Dominant channelBlue
Hex per channelR 00 · G 18 · B C4

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Every value on this page was computed from “0018c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.