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Colour

#001CFB

  • #001CFB
  • Blue
  • Dark
  • Nearest: Blue

#001CFB is a blue with RGB values 0, 28, 251 and HSL 233°, 100%, 49%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#001CFB#001CFB
HEX#001CFB
RGBrgb(0, 28, 251)
RGB (0–1)0, 0.1098, 0.9843
RGB percentages0%, 11%, 98.4%
HSLhsl(233.3, 100%, 49.2%)
HSV / HSBhsv(233.3, 100%, 98.4%)
CMYK100%, 88.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,419
CSS custom property--colour: #001CFB;

Brightness & contrast

Relative luminance0.07796WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.21:1
Contrast with white8.21:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FFE304

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BFFno red cones; affects about 1% of men; ΔE 36.9 from the original
Deuteranopia#0041F8no green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#006D95no blue cones; rare, and affects men and women equally; ΔE 112.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.21:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Blue · ΔE 8Medium blue · ΔE 15.7Blue violet · ΔE 30.2Dark violet · ΔE 33.9Dark orchid · ΔE 45.1Dark blue · ΔE 45.4
Nearest named CSS colourBlue (#0000FF)ΔE 7.98, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBDF00
Analogous#0099FB, #6200FB
Triadic#FB001C, #1CFB00
Split complementary#FB6200, #99FB00
Tetradic#FB0099, #FBDF00, #00FB62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8CEFF
Lighter +30%#95A1FF
Lighter +20%#6274FF
Lighter +10%#2F46FF
Darker −10%#0016C8
Darker −20%#001195
Darker −30%#000B62
Darker −40%#00052F
More saturated +25%#001CFB
Less saturated −25%#1F34DC

Channel breakdown

R0
G28
B251
Red0 (0%)
Green28 (11%)
Blue251 (98.4%)
Hue233.31°
Saturation (HSL)100%
Lightness49.22%
Dominant channelBlue
Hex per channelR 00 · G 1C · B FB

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