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Recognised as Colour

#1E456B

  • #1E456B
  • Blue
  • Dark
  • Nearest: Steel blue

#1E456B is a blue with RGB values 30, 69, 107 and HSL 210°, 56%, 27%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#1E456B#1E456B
HEX#1E456B
RGBrgb(30, 69, 107)
RGB (0–1)0.1176, 0.2706, 0.4196
RGB percentages11.8%, 27.1%, 42%
HSLhsl(209.6, 56.2%, 26.9%)
HSV / HSBhsv(209.6, 72%, 42%)
CMYK72%, 35.5%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,983,851
CSS custom property--colour: #1E456B;

Brightness & contrast

Relative luminance0.05594WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.91:1
Contrast with white9.91:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#E1BA94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#34476Dno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#29406Ano green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#004E53no blue cones; rare, and affects men and women equally; ΔE 25.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.91:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Steel blue · ΔE 25.2Dark slate grey · ΔE 25.5Slate grey · ΔE 29.1Dark slateblue · ΔE 30.6Dim grey · ΔE 30.7Light slate grey · ΔE 31.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 25.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B441E
Analogous#1E6B6A, #1E1F6B
Triadic#6B1E45, #456B1E
Split complementary#6B1E1F, #6B6A1E
Tetradic#6A1E6B, #6B441E, #1F6B1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BABDA
Lighter +30%#5392CF
Lighter +20%#3478BB
Lighter +10%#295F93
Darker −10%#132B43
Darker −20%#08121B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D457C
Less saturated −25%#2F455A

Channel breakdown

R30
G69
B107
Red30 (11.8%)
Green69 (27.1%)
Blue107 (42%)
Hue209.61°
Saturation (HSL)56.2%
Lightness26.86%
Dominant channelBlue
Hex per channelR 1E · G 45 · B 6B

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Every value on this page was computed from “1e456b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.