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Colour

#1790D0

  • #1790D0
  • Blue
  • Dark
  • Nearest: Steel blue

#1790D0 is a blue with RGB values 23, 144, 208 and HSL 201°, 80%, 45%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1790D0#1790D0
HEX#1790D0
RGBrgb(23, 144, 208)
RGB (0–1)0.0902, 0.5647, 0.8157
RGB percentages9%, 56.5%, 81.6%
HSLhsl(200.8, 80.1%, 45.3%)
HSV / HSBhsv(200.8, 88.9%, 81.6%)
CMYK88.9%, 30.8%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,544,400
CSS custom property--colour: #1790D0;

Brightness & contrast

Relative luminance0.24683WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.94:1
Contrast with white3.54:1WCAG normal text: Fail
Contrast with black5.94:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#E86F2F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7191D3no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#5981CFno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#00A0A7no blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.54:1WCAG large text: AA
Contrast with black, large text5.94:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.9Deep skyblue · ΔE 18.5Cornflower blue · ΔE 19.7Light skyblue · ΔE 26.5Dodgerblue · ΔE 28.5Light slate grey · ΔE 30.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D05717
Analogous#17D0B4, #1733D0
Triadic#D01790, #90D017
Split complementary#D01734, #D0B417
Tetradic#B417D0, #D05717, #33D017

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBE3F8
Lighter +30%#8ED0F2
Lighter +20%#60BCED
Lighter +10%#32A9E8
Darker −10%#1270A2
Darker −20%#0D5074
Darker −30%#083146
Darker −40%#031118
More saturated +25%#0097E7
Less saturated −25%#3487B3

Channel breakdown

R23
G144
B208
Red23 (9%)
Green144 (56.5%)
Blue208 (81.6%)
Hue200.76°
Saturation (HSL)80.09%
Lightness45.29%
Dominant channelBlue
Hex per channelR 17 · G 90 · B D0

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Every value on this page was computed from “1790d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.