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Colour

#127DFF

  • #127DFF
  • Blue
  • Dark
  • Nearest: Royal blue

#127DFF is a blue with RGB values 18, 125, 255 and HSL 213°, 100%, 54%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#127DFF#127DFF
HEX#127DFF
RGBrgb(18, 125, 255)
RGB (0–1)0.0706, 0.4902, 1
RGB percentages7.1%, 49%, 100%
HSLhsl(212.9, 100%, 53.5%)
HSV / HSBhsv(212.9, 92.9%, 100%)
CMYK92.9%, 51%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,211,903
CSS custom property--colour: #127DFF;

Brightness & contrast

Relative luminance0.22016WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#ED8200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C8CFFno red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#0078FCno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#009DB2no blue cones; rare, and affects men and women equally; ΔE 70.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.5Dodgerblue · ΔE 15.1Medium slateblue · ΔE 21.1Slate blue · ΔE 22.4Cornflower blue · ΔE 26.8Medium purple · ΔE 27
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9412
Analogous#12F4FF, #1D12FF
Triadic#FF127D, #7DFF12
Split complementary#FF1D12, #F4FF12
Tetradic#FF12F4, #FF9412, #12FF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEEDFF
Lighter +30%#ABD1FF
Lighter +20%#78B5FF
Lighter +10%#4599FF
Darker −10%#0064DE
Darker −20%#004DAB
Darker −30%#003678
Darker −40%#001F45
More saturated +25%#127DFF
Less saturated −25%#3080E1

Channel breakdown

R18
G125
B255
Red18 (7.1%)
Green125 (49%)
Blue255 (100%)
Hue212.91°
Saturation (HSL)100%
Lightness53.53%
Dominant channelBlue
Hex per channelR 12 · G 7D · B FF

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Every value on this page was computed from “127dff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.