Nerdulator> put something in

Recognised as Colour

#1D43FB

  • #1D43FB
  • Blue
  • Dark
  • Nearest: Medium blue

#1D43FB is a blue with RGB values 29, 67, 251 and HSL 230°, 97%, 55%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1D43FB#1D43FB
HEX#1D43FB
RGBrgb(29, 67, 251)
RGB (0–1)0.1137, 0.2627, 0.9843
RGB percentages11.4%, 26.3%, 98.4%
HSLhsl(229.7, 96.5%, 54.9%)
HSV / HSBhsv(229.7, 88.4%, 98.4%)
CMYK88.4%, 73.3%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,917,947
CSS custom property--colour: #1D43FB;

Brightness & contrast

Relative luminance0.11241WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.47:1
Contrast with white6.47:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E2BC04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069FFno red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#0053F8no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#007A9Cno blue cones; rare, and affects men and women equally; ΔE 98 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.47:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Medium blue · ΔE 18.9Blue violet · ΔE 23Blue · ΔE 28.9Dark violet · ΔE 30.5Medium slateblue · ΔE 33.4Dark orchid · ΔE 34.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 18.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBD51D
Analogous#1DB2FB, #661DFB
Triadic#FB1D43, #43FB1D
Split complementary#FB661D, #B2FB1D
Tetradic#FB1DB2, #FBD51D, #1DFB66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EAFF
Lighter +30%#B3C0FE
Lighter +20%#8196FD
Lighter +10%#4F6DFC
Darker −10%#042AE1
Darker −20%#0321AF
Darker −30%#02177D
Darker −40%#010E4B
More saturated +25%#1940FF
Less saturated −25%#3A56DE

Channel breakdown

R29
G67
B251
Red29 (11.4%)
Green67 (26.3%)
Blue251 (98.4%)
Hue229.73°
Saturation (HSL)96.52%
Lightness54.9%
Dominant channelBlue
Hex per channelR 1D · G 43 · B FB

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 “1d43fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.