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Recognised as Colour

#10577F

  • #10577F
  • Blue
  • Dark
  • Nearest: Steel blue

#10577F is a blue with RGB values 16, 87, 127 and HSL 202°, 78%, 28%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#10577F#10577F
HEX#10577F
RGBrgb(16, 87, 127)
RGB (0–1)0.0627, 0.3412, 0.498
RGB percentages6.3%, 34.1%, 49.8%
HSLhsl(201.6, 77.6%, 28%)
HSV / HSBhsv(201.6, 87.4%, 49.8%)
CMYK87.4%, 31.5%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,070,975
CSS custom property--colour: #10577F;

Brightness & contrast

Relative luminance0.08459WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.8:1
Contrast with white7.8:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#EFA880

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#445881no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#354E7Eno green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#006165no blue cones; rare, and affects men and women equally; ΔE 25.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.8:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18Slate grey · ΔE 25.5Dark slate grey · ΔE 25.7Light slate grey · ΔE 27.4Dim grey · ΔE 30.4Teal · ΔE 33.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F3810
Analogous#107F70, #101F7F
Triadic#7F1057, #577F10
Split complementary#7F101F, #7F6F10
Tetradic#70107F, #7F3810, #207F10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EBFED
Lighter +30%#41ABE7
Lighter +20%#1B95DA
Lighter +10%#1676AC
Darker −10%#0A3852
Darker −20%#051924
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005B8F
Less saturated −25%#22526D

Channel breakdown

R16
G87
B127
Red16 (6.3%)
Green87 (34.1%)
Blue127 (49.8%)
Hue201.62°
Saturation (HSL)77.62%
Lightness28.04%
Dominant channelBlue
Hex per channelR 10 · G 57 · B 7F

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Every value on this page was computed from “10577f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.