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Colour

#1B7AFE

  • #1B7AFE
  • Blue
  • Dark
  • Nearest: Royal blue

#1B7AFE is a blue with RGB values 27, 122, 254 and HSL 215°, 99%, 55%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1B7AFE#1B7AFE
HEX#1B7AFE
RGBrgb(27, 122, 254)
RGB (0–1)0.1059, 0.4784, 0.9961
RGB percentages10.6%, 47.8%, 99.6%
HSLhsl(214.9, 99.1%, 55.1%)
HSV / HSBhsv(214.9, 89.4%, 99.6%)
CMYK89.4%, 52%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,800,958
CSS custom property--colour: #1B7AFE;

Brightness & contrast

Relative luminance0.21308WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.26:1
Contrast with white3.99:1WCAG normal text: Fail
Contrast with black5.26:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#E48501

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B8AFFno red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#0076FBno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#009BB0no blue cones; rare, and affects men and women equally; ΔE 71.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.99:1WCAG large text: AA
Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.8Dodgerblue · ΔE 17.1Medium slateblue · ΔE 19.5Slate blue · ΔE 21.3Medium purple · ΔE 26.5Cornflower blue · ΔE 28.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.77, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE9F1B
Analogous#1BECFE, #2E1BFE
Triadic#FE1B7A, #7AFE1B
Split complementary#FE2D1B, #ECFE1B
Tetradic#FE1BEC, #FE9F1B, #1BFE2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F0FF
Lighter +30%#B3D3FF
Lighter +20%#81B5FE
Lighter +10%#4E98FE
Darker −10%#0160E5
Darker −20%#014BB2
Darker −30%#01367F
Darker −40%#00204D
More saturated +25%#1A7AFF
Less saturated −25%#387FE1

Channel breakdown

R27
G122
B254
Red27 (10.6%)
Green122 (47.8%)
Blue254 (99.6%)
Hue214.89°
Saturation (HSL)99.13%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1B · G 7A · B FE

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Every value on this page was computed from “1b7afe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.