Nerdulator> put something in

Recognised as Colour

#1204FF

  • #1204FF
  • Blue
  • Dark
  • Nearest: Blue

#1204FF is a blue with RGB values 18, 4, 255 and HSL 243°, 100%, 51%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1204FF#1204FF
HEX#1204FF
RGBrgb(18, 4, 255)
RGB (0–1)0.0706, 0.0157, 1
RGB percentages7.1%, 1.6%, 100%
HSLhsl(243.3, 100%, 50.8%)
HSV / HSBhsv(243.3, 98.4%, 100%)
CMYK92.9%, 98.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,180,927
CSS custom property--colour: #1204FF;

Brightness & contrast

Relative luminance0.07435WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.44:1
Contrast with white8.44:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#EDFB00

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 117.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.44:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Blue · ΔE 1.1Medium blue · ΔE 20.9Blue violet · ΔE 34.8Dark violet · ΔE 37.4Dark orchid · ΔE 50Dark blue · ΔE 51
Nearest named CSS colourBlue (#0000FF)ΔE 1.06, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F1FF04
Analogous#0474FF, #8F04FF
Triadic#FF1204, #04FF12
Split complementary#FF8F04, #74FF04
Tetradic#FF0474, #F1FF04, #04FF8F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3D0FF
Lighter +30%#A29DFF
Lighter +20%#726AFF
Lighter +10%#4237FF
Darker −10%#0C00D0
Darker −20%#09009D
Darker −30%#06006A
Darker −40%#030037
More saturated +25%#1204FF
Less saturated −25%#2E23E0

Channel breakdown

R18
G4
B255
Red18 (7.1%)
Green4 (1.6%)
Blue255 (100%)
Hue243.35°
Saturation (HSL)100%
Lightness50.78%
Dominant channelBlue
Hex per channelR 12 · G 04 · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1204ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.