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Colour

#11157A

  • #11157A
  • Blue
  • Dark
  • Nearest: Midnight blue

#11157A is a blue with RGB values 17, 21, 122 and HSL 238°, 76%, 27%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#11157A#11157A
HEX#11157A
RGBrgb(17, 21, 122)
RGB (0–1)0.0667, 0.0824, 0.4784
RGB percentages6.7%, 8.2%, 47.8%
HSLhsl(237.7, 75.5%, 27.3%)
HSV / HSBhsv(237.7, 86.1%, 47.8%)
CMYK86.1%, 82.8%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,119,610
CSS custom property--colour: #11157A;

Brightness & contrast

Relative luminance0.02061WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.87:1
Contrast with white14.87:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#EEEA85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D7Dno red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#002278no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#003548no blue cones; rare, and affects men and women equally; ΔE 60.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.87:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.4Navy · ΔE 13.8Indigo · ΔE 15.7Dark blue · ΔE 18.4Rebecca purple · ΔE 20.2Dark slateblue · ΔE 23.3
Nearest named CSS colourMidnight blue (#191970)ΔE 8.43, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A7611
Analogous#11497A, #42117A
Triadic#7A1115, #157A11
Split complementary#7A4211, #4A7A11
Tetradic#7A1149, #7A7611, #117A42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C71EB
Lighter +30%#4046E4
Lighter +20%#1D24D4
Lighter +10%#171DA7
Darker −10%#0B0D4D
Darker −20%#050620
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00058B
Less saturated −25%#222569

Channel breakdown

R17
G21
B122
Red17 (6.7%)
Green21 (8.2%)
Blue122 (47.8%)
Hue237.71°
Saturation (HSL)75.54%
Lightness27.25%
Dominant channelBlue
Hex per channelR 11 · G 15 · B 7A

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Every value on this page was computed from “11157a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.