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Recognised as Colour

#457CAC

  • #457CAC
  • Blue
  • Dark
  • Nearest: Steel blue

#457CAC is a blue with RGB values 69, 124, 172 and HSL 208°, 43%, 47%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#457CAC#457CAC
HEX#457CAC
RGBrgb(69, 124, 172)
RGB (0–1)0.2706, 0.4863, 0.6745
RGB percentages27.1%, 48.6%, 67.5%
HSLhsl(208, 42.7%, 47.3%)
HSV / HSBhsv(208, 59.9%, 67.5%)
CMYK59.9%, 27.9%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,553,900
CSS custom property--colour: #457CAC;

Brightness & contrast

Relative luminance0.18659WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#BA8353

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#677DAEno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#5A73ABno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00878Dno blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Steel blue · ΔE 2.6Slate grey · ΔE 20.6Light slate grey · ΔE 20.7Cornflower blue · ΔE 25.2Deep skyblue · ΔE 28.8Light skyblue · ΔE 30.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 2.58, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC7545
Analogous#45ACA8, #4549AC
Triadic#AC457C, #7CAC45
Split complementary#AC4549, #ACA845
Tetradic#A845AC, #AC7545, #49AC45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DFEC
Lighter +30%#ACC7DE
Lighter +20%#88AECF
Lighter +10%#6395C1
Darker −10%#366288
Darker −20%#284863
Darker −30%#192D3F
Darker −40%#0B131A
More saturated +25%#277ECA
Less saturated −25%#637A8E

Channel breakdown

R69
G124
B172
Red69 (27.1%)
Green124 (48.6%)
Blue172 (67.5%)
Hue207.96°
Saturation (HSL)42.74%
Lightness47.25%
Dominant channelBlue
Hex per channelR 45 · G 7C · B AC

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Every value on this page was computed from “457cac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.