Colour

#1C1F2A

#1C1F2A
Blue
Dark
Nearest: Black

#1C1F2A is a blue with RGB values 28, 31, 42 and HSL 227°, 20%, 14%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1C1F2A#1C1F2A

HEX#1C1F2A

RGBrgb(28, 31, 42)

RGB (0–1)0.1098, 0.1216, 0.1647

RGB percentages11%, 12.2%, 16.5%

HSLhsl(227.1, 20%, 13.7%)

HSV / HSBhsv(227.1, 33.3%, 16.5%)

CMYK33.3%, 26.2%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,842,986

CSS custom property--colour: #1C1F2A;

Brightness & contrast

Relative luminance0.01394WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.42:1

Contrast with white16.42:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#E3E0D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C202Bno red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#1B1F2Ano green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#182123no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.42:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 14.4 Dark slate grey · ΔE 24 Dim grey · ΔE 33.5 Slate grey · ΔE 41.2 Gray · ΔE 42.4 Light slate grey · ΔE 44.3

Nearest named CSS colourBlack (#000000)ΔE 14.38, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#2A271C

Analogous#1C262A, #201C2A

Triadic#2A1C1F, #1F2A1C

Split complementary#2A201C, #262A1C

Tetradic#2A1C26, #2A271C, #1C2A20

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#717CA1

Lighter +30%#596386

Lighter +20%#454C67

Lighter +10%#303649

Darker −10%#08080B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#131A33

Less saturated −25%#232323

Channel breakdown

R28

G31

B42

Red28 (11%)

Green31 (12.2%)

Blue42 (16.5%)

Hue227.14°

Saturation (HSL)20%

Lightness13.73%

Dominant channelBlue

Hex per channelR 1C · G 1F · B 2A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1C1F2A

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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