Nerdulator> put something in

Colour

#158FFF

  • #158FFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#158FFF is a blue with RGB values 21, 143, 255 and HSL 209°, 100%, 54%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#158FFF#158FFF
HEX#158FFF
RGBrgb(21, 143, 255)
RGB (0–1)0.0824, 0.5608, 1
RGB percentages8.2%, 56.1%, 100%
HSLhsl(208.7, 100%, 54.1%)
HSV / HSBhsv(208.7, 91.8%, 100%)
CMYK91.8%, 43.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,413,119
CSS custom property--colour: #158FFF;

Brightness & contrast

Relative luminance0.27024WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.4:1
Contrast with white3.28:1WCAG normal text: Fail
Contrast with black6.4:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#EA7000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5298FFno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#1B85FDno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#00AABAno blue cones; rare, and affects men and women equally; ΔE 61.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.28:1WCAG large text: AA
Contrast with black, large text6.4:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 0.8Cornflower blue · ΔE 15Royal blue · ΔE 19.7Slate blue · ΔE 29.9Medium purple · ΔE 30.3Medium slateblue · ΔE 31.7
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 0.75, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8515
Analogous#15FFFA, #151AFF
Triadic#FF158F, #8FFF15
Split complementary#FF151A, #FFFA15
Tetradic#FA15FF, #FF8515, #1AFF15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1F1FF
Lighter +30%#AED8FF
Lighter +20%#7BC0FF
Lighter +10%#48A7FF
Darker −10%#0075E1
Darker −20%#005BAE
Darker −30%#00407B
Darker −40%#002648
More saturated +25%#158FFF
Less saturated −25%#328EE2

Channel breakdown

R21
G143
B255
Red21 (8.2%)
Green143 (56.1%)
Blue255 (100%)
Hue208.72°
Saturation (HSL)100%
Lightness54.12%
Dominant channelBlue
Hex per channelR 15 · G 8F · 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 “158fff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.