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Recognised as Colour

#1187FD

  • #1187FD
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1187FD is a blue with RGB values 17, 135, 253 and HSL 210°, 98%, 53%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1187FD#1187FD
HEX#1187FD
RGBrgb(17, 135, 253)
RGB (0–1)0.0667, 0.5294, 0.9922
RGB percentages6.7%, 52.9%, 99.2%
HSLhsl(210, 98.3%, 52.9%)
HSV / HSBhsv(210, 93.3%, 99.2%)
CMYK93.3%, 46.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,148,925
CSS custom property--colour: #1187FD;

Brightness & contrast

Relative luminance0.24539WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.91:1
Contrast with white3.55:1WCAG normal text: Fail
Contrast with black5.91:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#EE7802

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4292FFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#007FFBno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#00A4B6no blue cones; rare, and affects men and women equally; ΔE 64.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.55:1WCAG large text: AA
Contrast with black, large text5.91:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6Royal blue · ΔE 15.1Cornflower blue · ΔE 18.8Slate blue · ΔE 26.2Medium slateblue · ΔE 27.4Medium purple · ΔE 28.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD8711
Analogous#11FDFD, #1111FD
Triadic#FD1187, #87FD11
Split complementary#FD1111, #FDFD11
Tetradic#FD11FD, #FD8711, #11FD11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBEDFF
Lighter +30%#A9D3FE
Lighter +20%#76BAFE
Lighter +10%#44A1FD
Darker −10%#026ED9
Darker −20%#0154A7
Darker −30%#013B74
Darker −40%#012141
More saturated +25%#0F87FF
Less saturated −25%#2F87DF

Channel breakdown

R17
G135
B253
Red17 (6.7%)
Green135 (52.9%)
Blue253 (99.2%)
Hue210°
Saturation (HSL)98.33%
Lightness52.94%
Dominant channelBlue
Hex per channelR 11 · G 87 · B FD

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Every value on this page was computed from “1187fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.