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Recognised as Colour

#127DFB

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

#127DFB is a blue with RGB values 18, 125, 251 and HSL 212°, 97%, 53%. 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

#127DFB#127DFB
HEX#127DFB
RGBrgb(18, 125, 251)
RGB (0–1)0.0706, 0.4902, 0.9843
RGB percentages7.1%, 49%, 98.4%
HSLhsl(212.4, 96.7%, 52.7%)
HSV / HSBhsv(212.4, 92.8%, 98.4%)
CMYK92.8%, 50.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,211,899
CSS custom property--colour: #127DFB;

Brightness & contrast

Relative luminance0.21761WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.35:1
Contrast with white3.92:1WCAG normal text: Fail
Contrast with black5.35:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#ED8204

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#268BFFno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#0077F9no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#009CB0no blue cones; rare, and affects men and women equally; ΔE 68.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.92:1WCAG large text: AA
Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.2Dodgerblue · ΔE 13.1Medium slateblue · ΔE 22.1Slate blue · ΔE 22.3Cornflower blue · ΔE 24.7Medium purple · ΔE 26.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB9012
Analogous#12F2FB, #1B12FB
Triadic#FB127D, #7DFB12
Split complementary#FB1B12, #F2FB12
Tetradic#FB12F2, #FB9012, #12FB1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBEBFE
Lighter +30%#A8D0FE
Lighter +20%#76B4FD
Lighter +10%#4499FC
Darker −10%#0464D6
Darker −20%#034DA4
Darker −30%#023572
Darker −40%#011E40
More saturated +25%#0E7DFF
Less saturated −25%#307FDD

Channel breakdown

R18
G125
B251
Red18 (7.1%)
Green125 (49%)
Blue251 (98.4%)
Hue212.45°
Saturation (HSL)96.68%
Lightness52.75%
Dominant channelBlue
Hex per channelR 12 · G 7D · B FB

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