Nerdulator> put something in

Recognised as Colour

#1720FD

  • #1720FD
  • Blue
  • Dark
  • Nearest: Blue

#1720FD is a blue with RGB values 23, 32, 253 and HSL 238°, 98%, 54%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1720FD#1720FD
HEX#1720FD
RGBrgb(23, 32, 253)
RGB (0–1)0.0902, 0.1255, 0.9922
RGB percentages9%, 12.5%, 99.2%
HSLhsl(237.7, 98.3%, 54.1%)
HSV / HSBhsv(237.7, 90.9%, 99.2%)
CMYK90.9%, 87.4%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,515,773
CSS custom property--colour: #1720FD;

Brightness & contrast

Relative luminance0.08307WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.89:1
Contrast with white7.89:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#E8DF02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DFFno red cones; affects about 1% of men; ΔE 37.4 from the original
Deuteranopia#0045FAno green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#006F97no blue cones; rare, and affects men and women equally; ΔE 111.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.89:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Blue · ΔE 9Medium blue · ΔE 15.7Blue violet · ΔE 29.2Dark violet · ΔE 33.1Dark orchid · ΔE 44.2Dark blue · ΔE 45.1
Nearest named CSS colourBlue (#0000FF)ΔE 8.97, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDF417
Analogous#1793FD, #8117FD
Triadic#FD1720, #20FD17
Split complementary#FD8117, #93FD17
Tetradic#FD1793, #FDF417, #17FD81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E2FF
Lighter +30%#AFB2FE
Lighter +20%#7C81FE
Lighter +10%#4A51FD
Darker −10%#020BDF
Darker −20%#0108AD
Darker −30%#01067A
Darker −40%#010347
More saturated +25%#151EFF
Less saturated −25%#343BE0

Channel breakdown

R23
G32
B253
Red23 (9%)
Green32 (12.5%)
Blue253 (99.2%)
Hue237.65°
Saturation (HSL)98.29%
Lightness54.12%
Dominant channelBlue
Hex per channelR 17 · G 20 · B FD

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 “1720fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.