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Colour

#1C2D50

  • #1C2D50
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1C2D50 is a blue with RGB values 28, 45, 80 and HSL 220°, 48%, 21%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C2D50#1C2D50
HEX#1C2D50
RGBrgb(28, 45, 80)
RGB (0–1)0.1098, 0.1765, 0.3137
RGB percentages11%, 17.6%, 31.4%
HSLhsl(220.4, 48.1%, 21.2%)
HSV / HSBhsv(220.4, 65%, 31.4%)
CMYK65%, 43.7%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,846,608
CSS custom property--colour: #1C2D50;

Brightness & contrast

Relative luminance0.02703WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.63:1
Contrast with white13.63:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E3D2AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E3051no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#172C4Fno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#00353Ano blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.63:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 29.1Dark slateblue · ΔE 30.1Black · ΔE 30.7Dim grey · ΔE 35.3Steel blue · ΔE 36Midnight blue · ΔE 37
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 29.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#503F1C
Analogous#1C4750, #251C50
Triadic#501C2D, #2D501C
Split complementary#50251C, #47501C
Tetradic#501C47, #503F1C, #1C5025

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C8CCC
Lighter +30%#476EBE
Lighter +20%#36589C
Lighter +10%#294276
Darker −10%#0F182A
Darker −20%#020204
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E285E
Less saturated −25%#2A3242

Channel breakdown

R28
G45
B80
Red28 (11%)
Green45 (17.6%)
Blue80 (31.4%)
Hue220.38°
Saturation (HSL)48.15%
Lightness21.18%
Dominant channelBlue
Hex per channelR 1C · G 2D · B 50

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Every value on this page was computed from “1c2d50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.