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Recognised as Colour

#1A345D

  • #1A345D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1A345D is a blue with RGB values 26, 52, 93 and HSL 217°, 56%, 23%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A345D#1A345D
HEX#1A345D
RGBrgb(26, 52, 93)
RGB (0–1)0.102, 0.2039, 0.3647
RGB percentages10.2%, 20.4%, 36.5%
HSLhsl(216.7, 56.3%, 23.3%)
HSV / HSBhsv(216.7, 72%, 36.5%)
CMYK72%, 44.1%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,717,341
CSS custom property--colour: #1A345D;

Brightness & contrast

Relative luminance0.03466WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.4:1
Contrast with white12.4:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E5CBA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21385Fno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#17315Cno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003D44no blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.4:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.9Dark slate grey · ΔE 30.7Steel blue · ΔE 32.4Midnight blue · ΔE 34.9Black · ΔE 35.5Dim grey · ΔE 36
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D431A
Analogous#1A565D, #211A5D
Triadic#5D1A34, #345D1A
Split complementary#5D211A, #565D1A
Tetradic#5D1A56, #5D431A, #1A5D21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D96D6
Lighter +30%#4579CB
Lighter +20%#3061AD
Lighter +10%#254A85
Darker −10%#0F1E35
Darker −20%#04070D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B316C
Less saturated −25%#29374E

Channel breakdown

R26
G52
B93
Red26 (10.2%)
Green52 (20.4%)
Blue93 (36.5%)
Hue216.72°
Saturation (HSL)56.3%
Lightness23.33%
Dominant channelBlue
Hex per channelR 1A · G 34 · B 5D

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Every value on this page was computed from “1a345d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.