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Colour

#1A4CB8

  • #1A4CB8
  • Blue
  • Dark
  • Nearest: Royal blue

#1A4CB8 is a blue with RGB values 26, 76, 184 and HSL 221°, 75%, 41%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#1A4CB8#1A4CB8
HEX#1A4CB8
RGBrgb(26, 76, 184)
RGB (0–1)0.102, 0.298, 0.7216
RGB percentages10.2%, 29.8%, 72.2%
HSLhsl(221, 75.2%, 41.2%)
HSV / HSBhsv(221, 85.9%, 72.2%)
CMYK85.9%, 58.7%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,723,576
CSS custom property--colour: #1A4CB8;

Brightness & contrast

Relative luminance0.08849WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.58:1
Contrast with white7.58:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#E5B347

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BBCno red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#004DB6no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00687Ano blue cones; rare, and affects men and women equally; ΔE 62.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.58:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Royal blue · ΔE 12.8Slate blue · ΔE 14.6Dark slateblue · ΔE 19.9Rebecca purple · ΔE 22.6Medium slateblue · ΔE 22.9Midnight blue · ΔE 23.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8861A
Analogous#1A9BB8, #371AB8
Triadic#B81A4C, #4CB81A
Split complementary#B8371A, #9BB81A
Tetradic#B81A9B, #B8861A, #1AB837

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC2F3
Lighter +30%#7EA1ED
Lighter +20%#5281E6
Lighter +10%#2560E0
Darker −10%#143A8B
Darker −20%#0D275F
Darker −30%#071532
Darker −40%#010205
More saturated +25%#0042D2
Less saturated −25%#34569E

Channel breakdown

R26
G76
B184
Red26 (10.2%)
Green76 (29.8%)
Blue184 (72.2%)
Hue221.01°
Saturation (HSL)75.24%
Lightness41.18%
Dominant channelBlue
Hex per channelR 1A · G 4C · B B8

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Every value on this page was computed from “1a4cb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.