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Colour

#1B03F6

  • #1B03F6
  • Blue
  • Dark
  • Nearest: Blue

#1B03F6 is a blue with RGB values 27, 3, 246 and HSL 246°, 98%, 49%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1B03F6#1B03F6
HEX#1B03F6
RGBrgb(27, 3, 246)
RGB (0–1)0.1059, 0.0118, 0.9647
RGB percentages10.6%, 1.2%, 96.5%
HSLhsl(245.9, 97.6%, 48.8%)
HSV / HSBhsv(245.9, 98.8%, 96.5%)
CMYK89%, 98.8%, 0%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,770,486
CSS custom property--colour: #1B03F6;

Brightness & contrast

Relative luminance0.06952WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.79:1
Contrast with white8.79:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E4FC09

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056FCno red cones; affects about 1% of men; ΔE 38.6 from the original
Deuteranopia#003DF3no green cones; the most common form, about 1% of men; ΔE 24.6 from the original
Tritanopia#006790no blue cones; rare, and affects men and women equally; ΔE 114.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.79:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Blue · ΔE 4.8Medium blue · ΔE 17Blue violet · ΔE 31.6Dark violet · ΔE 34.3Dark orchid · ΔE 46.7Dark blue · ΔE 47.1
Nearest named CSS colourBlue (#0000FF)ΔE 4.77, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEF603
Analogous#0364F6, #9503F6
Triadic#F61B03, #03F61B
Split complementary#F69503, #64F603
Tetradic#F60364, #DEF603, #03F695

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCC7FE
Lighter +30%#9F94FE
Lighter +20%#7162FD
Lighter +10%#4430FC
Darker −10%#1502C4
Darker −20%#100291
Darker −30%#0A015F
Darker −40%#05012C
More saturated +25%#1900F9
Less saturated −25%#3422D7

Channel breakdown

R27
G3
B246
Red27 (10.6%)
Green3 (1.2%)
Blue246 (96.5%)
Hue245.93°
Saturation (HSL)97.59%
Lightness48.82%
Dominant channelBlue
Hex per channelR 1B · G 03 · B F6

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Every value on this page was computed from “1b03f6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.