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Recognised as Colour

#1C425F

  • #1C425F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1C425F is a blue with RGB values 28, 66, 95 and HSL 206°, 54%, 24%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C425F#1C425F
HEX#1C425F
RGBrgb(28, 66, 95)
RGB (0–1)0.1098, 0.2588, 0.3725
RGB percentages11%, 25.9%, 37.3%
HSLhsl(206, 54.5%, 24.1%)
HSV / HSBhsv(206, 70.5%, 37.3%)
CMYK70.5%, 30.5%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,851,999
CSS custom property--colour: #1C425F;

Brightness & contrast

Relative luminance0.0497WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.53:1
Contrast with white10.53:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#E3BDA0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#354360no red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#2C3C5Eno green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#00494Cno blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.53:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20Dim grey · ΔE 27.8Steel blue · ΔE 28.1Slate grey · ΔE 28.3Light slate grey · ΔE 31Black · ΔE 34.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F391C
Analogous#1C5F5A, #1C215F
Triadic#5F1C42, #425F1C
Split complementary#5F1C21, #5F5A1C
Tetradic#5A1C5F, #5F391C, #215F1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72AAD5
Lighter +30%#4A93CA
Lighter +20%#3379AE
Lighter +10%#285D86
Darker −10%#102738
Darker −20%#050B10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D446E
Less saturated −25%#2B4050

Channel breakdown

R28
G66
B95
Red28 (11%)
Green66 (25.9%)
Blue95 (37.3%)
Hue205.97°
Saturation (HSL)54.47%
Lightness24.12%
Dominant channelBlue
Hex per channelR 1C · G 42 · B 5F

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Every value on this page was computed from “1c425f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.