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Recognised as Colour

#1004FF

  • #1004FF
  • Blue
  • Dark
  • Nearest: Blue

#1004FF is a blue with RGB values 16, 4, 255 and HSL 243°, 100%, 51%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1004FF#1004FF
HEX#1004FF
RGBrgb(16, 4, 255)
RGB (0–1)0.0627, 0.0157, 1
RGB percentages6.3%, 1.6%, 100%
HSLhsl(242.9, 100%, 50.8%)
HSV / HSBhsv(242.9, 98.4%, 100%)
CMYK93.7%, 98.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,049,855
CSS custom property--colour: #1004FF;

Brightness & contrast

Relative luminance0.07417WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.46:1
Contrast with white8.46:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#EFFB00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059FFno red cones; affects about 1% of men; ΔE 42.3 from the original
Deuteranopia#003FFBno green cones; the most common form, about 1% of men; ΔE 25.4 from the original
Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 117.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.46:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Blue · ΔE 1Medium blue · ΔE 20.9Blue violet · ΔE 34.9Dark violet · ΔE 37.5Dark orchid · ΔE 50.1Dark blue · ΔE 51
Nearest named CSS colourBlue (#0000FF)ΔE 1, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3FF04
Analogous#0476FF, #8D04FF
Triadic#FF1004, #04FF10
Split complementary#FF8D04, #76FF04
Tetradic#FF0476, #F3FF04, #04FF8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D0FF
Lighter +30%#A29DFF
Lighter +20%#716AFF
Lighter +10%#4137FF
Darker −10%#0A00D0
Darker −20%#08009D
Darker −30%#05006A
Darker −40%#030037
More saturated +25%#1004FF
Less saturated −25%#2C23E0

Channel breakdown

R16
G4
B255
Red16 (6.3%)
Green4 (1.6%)
Blue255 (100%)
Hue242.87°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 10 · G 04 · B FF

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Every value on this page was computed from “1004ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.