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Recognised as Colour

#1C2999

  • #1C2999
  • Blue
  • Dark
  • Nearest: Navy

#1C2999 is a blue with RGB values 28, 41, 153 and HSL 234°, 69%, 35%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#1C2999#1C2999
HEX#1C2999
RGBrgb(28, 41, 153)
RGB (0–1)0.1098, 0.1608, 0.6
RGB percentages11%, 16.1%, 60%
HSLhsl(233.8, 69.1%, 35.5%)
HSV / HSBhsv(233.8, 81.7%, 60%)
CMYK81.7%, 73.2%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,845,657
CSS custom property--colour: #1C2999;

Brightness & contrast

Relative luminance0.04133WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.5:1
Contrast with white11.5:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#E3D666

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F9Cno red cones; affects about 1% of men; ΔE 17.3 from the original
Deuteranopia#003397no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#00495Eno blue cones; rare, and affects men and women equally; ΔE 65.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.5:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Navy · ΔE 15.6Midnight blue · ΔE 15.6Indigo · ΔE 17.4Dark blue · ΔE 17.8Rebecca purple · ΔE 18.1Slate blue · ΔE 21.6
Nearest named CSS colourNavy (#000080)ΔE 15.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#998C1C
Analogous#1C6899, #4D1C99
Triadic#991C29, #29991C
Split complementary#994D1C, #68991C
Tetradic#991C68, #998C1C, #1C994D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#959EEC
Lighter +30%#6A77E4
Lighter +20%#3F4FDC
Lighter +10%#2435C4
Darker −10%#141D6E
Darker −20%#0C1243
Darker −30%#040618
Darker −40%#000000
More saturated +25%#0517B0
Less saturated −25%#333B82

Channel breakdown

R28
G41
B153
Red28 (11%)
Green41 (16.1%)
Blue153 (60%)
Hue233.76°
Saturation (HSL)69.06%
Lightness35.49%
Dominant channelBlue
Hex per channelR 1C · G 29 · B 99

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Every value on this page was computed from “1c2999” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.