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Colour

#1300B3

  • #1300B3
  • Blue
  • Dark
  • Nearest: Medium blue

#1300B3 is a blue with RGB values 19, 0, 179 and HSL 246°, 100%, 35%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1300B3#1300B3
HEX#1300B3
RGBrgb(19, 0, 179)
RGB (0–1)0.0745, 0, 0.702
RGB percentages7.5%, 0%, 70.2%
HSLhsl(246.4, 100%, 35.1%)
HSV / HSBhsv(246.4, 100%, 70.2%)
CMYK89.4%, 100%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,245,363
CSS custom property--colour: #1300B3;

Brightness & contrast

Relative luminance0.03393WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.51:1
Contrast with white12.51:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#ECFF4C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003CB7no red cones; affects about 1% of men; ΔE 30.8 from the original
Deuteranopia#002AB0no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#004967no blue cones; rare, and affects men and women equally; ΔE 90.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.51:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Medium blue · ΔE 12Dark blue · ΔE 18.1Navy · ΔE 23.4Blue violet · ΔE 23.6Dark violet · ΔE 26.4Indigo · ΔE 30
Nearest named CSS colourMedium blue (#0000CD)ΔE 12.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0B300
Analogous#0047B3, #6D00B3
Triadic#B31300, #00B313
Split complementary#B36C00, #47B300
Tetradic#B30046, #A0B300, #00B36C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8D80FF
Lighter +30%#604DFF
Lighter +20%#321AFF
Lighter +10%#1800E6
Darker −10%#0E0080
Darker −20%#08004D
Darker −30%#03001A
Darker −40%#000000
More saturated +25%#1300B3
Less saturated −25%#25169D

Channel breakdown

R19
G0
B179
Red19 (7.5%)
Green0 (0%)
Blue179 (70.2%)
Hue246.37°
Saturation (HSL)100%
Lightness35.1%
Dominant channelBlue
Hex per channelR 13 · G 00 · B B3

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Every value on this page was computed from “1300b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.