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Recognised as Colour

#458CAD

  • #458CAD
  • Cyan
  • Dark
  • Nearest: Steel blue

#458CAD is a cyan with RGB values 69, 140, 173 and HSL 199°, 43%, 47%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#458CAD#458CAD
HEX#458CAD
RGBrgb(69, 140, 173)
RGB (0–1)0.2706, 0.549, 0.6784
RGB percentages27.1%, 54.9%, 67.8%
HSLhsl(199, 43%, 47.5%)
HSV / HSBhsv(199, 60.1%, 67.8%)
CMYK60.1%, 19.1%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,557,997
CSS custom property--colour: #458CAD;

Brightness & contrast

Relative luminance0.23039WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.74:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#BA7352

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B8AAFno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#6D7FADno green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#009597no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.74:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.8Light slate grey · ΔE 16.4Slate grey · ΔE 17Cadetblue · ΔE 19.2Teal · ΔE 23.8Dark cyan · ΔE 23.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD6645
Analogous#45AD9A, #4558AD
Triadic#AD458C, #8CAD45
Split complementary#AD4558, #AD9A45
Tetradic#9A45AD, #AD6645, #58AD45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E4ED
Lighter +30%#ADCFDE
Lighter +20%#88B9D0
Lighter +10%#64A4C1
Darker −10%#366E89
Darker −20%#285164
Darker −30%#193340
Darker −40%#0B161B
More saturated +25%#2797CB
Less saturated −25%#63818F

Channel breakdown

R69
G140
B173
Red69 (27.1%)
Green140 (54.9%)
Blue173 (67.8%)
Hue199.04°
Saturation (HSL)42.98%
Lightness47.45%
Dominant channelBlue
Hex per channelR 45 · G 8C · B AD

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Every value on this page was computed from “458cad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.