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Recognised as Colour

#1C425C

  • #1C425C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1C425C is a blue with RGB values 28, 66, 92 and HSL 204°, 53%, 24%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C425C#1C425C
HEX#1C425C
RGBrgb(28, 66, 92)
RGB (0–1)0.1098, 0.2588, 0.3608
RGB percentages11%, 25.9%, 36.1%
HSLhsl(204.4, 53.3%, 23.5%)
HSV / HSBhsv(204.4, 69.6%, 36.1%)
CMYK69.6%, 28.3%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,851,996
CSS custom property--colour: #1C425C;

Brightness & contrast

Relative luminance0.04916WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.59:1
Contrast with white10.59:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#E3BDA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36425Dno red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#2D3C5Cno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00484Bno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.59:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.1Dim grey · ΔE 26.8Slate grey · ΔE 27.9Steel blue · ΔE 28.9Light slate grey · ΔE 30.6Black · ΔE 33.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C361C
Analogous#1C5C56, #1C225C
Triadic#5C1C42, #425C1C
Split complementary#5C1C22, #5C561C
Tetradic#561C5C, #5C361C, #225C1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70ABD4
Lighter +30%#4994C8
Lighter +20%#347AAA
Lighter +10%#285E83
Darker −10%#102635
Darker −20%#040A0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D456B
Less saturated −25%#2B3F4D

Channel breakdown

R28
G66
B92
Red28 (11%)
Green66 (25.9%)
Blue92 (36.1%)
Hue204.38°
Saturation (HSL)53.33%
Lightness23.53%
Dominant channelBlue
Hex per channelR 1C · G 42 · B 5C

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Every value on this page was computed from “1c425c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.