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Recognised as Colour

#1A3D50

  • #1A3D50
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1A3D50 is a blue with RGB values 26, 61, 80 and HSL 201°, 51%, 21%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1A3D50#1A3D50
HEX#1A3D50
RGBrgb(26, 61, 80)
RGB (0–1)0.102, 0.2392, 0.3137
RGB percentages10.2%, 23.9%, 31.4%
HSLhsl(201.1, 50.9%, 20.8%)
HSV / HSBhsv(201.1, 67.5%, 31.4%)
CMYK67.5%, 23.7%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,719,632
CSS custom property--colour: #1A3D50;

Brightness & contrast

Relative luminance0.04136WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.49:1
Contrast with white11.49:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#E5C2AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343C51no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#2C3750no green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#004243no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.49:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.8Dim grey · ΔE 26.1Black · ΔE 29.2Slate grey · ΔE 29.3Light slate grey · ΔE 32.3Steel blue · ΔE 33.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#502D1A
Analogous#1A5048, #1A2250
Triadic#501A3D, #3D501A
Split complementary#501A22, #50481A
Tetradic#481A50, #502D1A, #22501A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68AACE
Lighter +30%#4294C1
Lighter +20%#33789D
Lighter +10%#275A76
Darker −10%#0D202A
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D415D
Less saturated −25%#273943

Channel breakdown

R26
G61
B80
Red26 (10.2%)
Green61 (23.9%)
Blue80 (31.4%)
Hue201.11°
Saturation (HSL)50.94%
Lightness20.78%
Dominant channelBlue
Hex per channelR 1A · G 3D · B 50

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Every value on this page was computed from “1a3d50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.