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Recognised as Colour

#1A4CB4

  • #1A4CB4
  • Blue
  • Dark
  • Nearest: Royal blue

#1A4CB4 is a blue with RGB values 26, 76, 180 and HSL 221°, 75%, 40%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#1A4CB4#1A4CB4
HEX#1A4CB4
RGBrgb(26, 76, 180)
RGB (0–1)0.102, 0.298, 0.7059
RGB percentages10.2%, 29.8%, 70.6%
HSLhsl(220.5, 74.8%, 40.4%)
HSV / HSBhsv(220.5, 85.6%, 70.6%)
CMYK85.6%, 57.8%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,723,572
CSS custom property--colour: #1A4CB4;

Brightness & contrast

Relative luminance0.08684WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.67:1
Contrast with white7.67:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#E5B34B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005AB8no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#004CB2no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#006678no blue cones; rare, and affects men and women equally; ΔE 60 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.67:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Royal blue · ΔE 13.9Slate blue · ΔE 15.7Dark slateblue · ΔE 18.2Rebecca purple · ΔE 22.7Midnight blue · ΔE 23.2Medium slateblue · ΔE 24.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4821A
Analogous#1A99B4, #351AB4
Triadic#B41A4C, #4CB41A
Split complementary#B4351A, #99B41A
Tetradic#B41A99, #B4821A, #1AB435

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C0F2
Lighter +30%#7BA0EC
Lighter +20%#4E80E6
Lighter +10%#225FDF
Darker −10%#143987
Darker −20%#0D265B
Darker −30%#07142E
Darker −40%#000102
More saturated +25%#0043CE
Less saturated −25%#34559A

Channel breakdown

R26
G76
B180
Red26 (10.2%)
Green76 (29.8%)
Blue180 (70.6%)
Hue220.52°
Saturation (HSL)74.76%
Lightness40.39%
Dominant channelBlue
Hex per channelR 1A · G 4C · B B4

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Every value on this page was computed from “1a4cb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.