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Recognised as Colour

#1A5170

  • #1A5170
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1A5170 is a blue with RGB values 26, 81, 112 and HSL 202°, 62%, 27%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1A5170#1A5170
HEX#1A5170
RGBrgb(26, 81, 112)
RGB (0–1)0.102, 0.3176, 0.4392
RGB percentages10.2%, 31.8%, 43.9%
HSLhsl(201.6, 62.3%, 27.1%)
HSV / HSBhsv(201.6, 76.8%, 43.9%)
CMYK76.8%, 27.7%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,724,784
CSS custom property--colour: #1A5170;

Brightness & contrast

Relative luminance0.07274WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.55:1
Contrast with white8.55:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E5AE8F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#425171no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#37496Fno green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#00595Cno blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.55:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.9Steel blue · ΔE 22.2Slate grey · ΔE 24.2Light slate grey · ΔE 26.6Dim grey · ΔE 26.7Teal · ΔE 31
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#70391A
Analogous#1A7064, #1A2670
Triadic#701A51, #51701A
Split complementary#701A26, #70641A
Tetradic#641A70, #70391A, #26701A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#77BADF
Lighter +30%#4DA5D6
Lighter +20%#2D8DC3
Lighter +10%#246F99
Darker −10%#103347
Darker −20%#07151D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#095681
Less saturated −25%#2B4C5F

Channel breakdown

R26
G81
B112
Red26 (10.2%)
Green81 (31.8%)
Blue112 (43.9%)
Hue201.63°
Saturation (HSL)62.32%
Lightness27.06%
Dominant channelBlue
Hex per channelR 1A · G 51 · B 70

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Every value on this page was computed from “1a5170” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.