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Recognised as Colour

#1A2A50

  • #1A2A50
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1A2A50 is a blue with RGB values 26, 42, 80 and HSL 222°, 51%, 21%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A2A50#1A2A50
HEX#1A2A50
RGBrgb(26, 42, 80)
RGB (0–1)0.102, 0.1647, 0.3137
RGB percentages10.2%, 16.5%, 31.4%
HSLhsl(222.2, 50.9%, 20.8%)
HSV / HSBhsv(222.2, 67.5%, 31.4%)
CMYK67.5%, 47.5%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,714,768
CSS custom property--colour: #1A2A50;

Brightness & contrast

Relative luminance0.02455WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.09:1
Contrast with white14.09:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#E5D5AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#192E51no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#11294Fno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#003339no blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.09:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.4Black · ΔE 31.8Dark slate grey · ΔE 31.8Midnight blue · ΔE 34.4Steel blue · ΔE 37.2Dim grey · ΔE 37.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 28.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#50401A
Analogous#1A4550, #251A50
Triadic#501A2A, #2A501A
Split complementary#50251A, #45501A
Tetradic#501A45, #50401A, #1A5025

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6886CE
Lighter +30%#4267C1
Lighter +20%#33529D
Lighter +10%#273E76
Darker −10%#0D162A
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D255D
Less saturated −25%#272F43

Channel breakdown

R26
G42
B80
Red26 (10.2%)
Green42 (16.5%)
Blue80 (31.4%)
Hue222.22°
Saturation (HSL)50.94%
Lightness20.78%
Dominant channelBlue
Hex per channelR 1A · G 2A · B 50

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Every value on this page was computed from “1a2a50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.