Recognised as Colour

#1D232F

#1D232F
Blue
Dark
Nearest: Black

#1D232F is a blue with RGB values 29, 35, 47 and HSL 220°, 24%, 15%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D232F#1D232F

HEX#1D232F

RGBrgb(29, 35, 47)

RGB (0–1)0.1137, 0.1373, 0.1843

RGB percentages11.4%, 13.7%, 18.4%

HSLhsl(220, 23.7%, 14.9%)

HSV / HSBhsv(220, 38.3%, 18.4%)

CMYK38.3%, 25.5%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,909,551

CSS custom property--colour: #1D232F;

Brightness & contrast

Relative luminance0.01669WCAG 2.x, 0 is black and 1 is white

Perceived brightness35 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.75:1

Contrast with white15.75:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E2DCD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1F2430no red cones; affects about 1% of men; ΔE 0.7 from the original

Deuteranopia#1D222Fno green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#182527no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.75:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 16.3 Dark slate grey · ΔE 22.3 Dim grey · ΔE 32 Slate grey · ΔE 39.4 Gray · ΔE 40.9 Light slate grey · ΔE 42.5

Nearest named CSS colourBlack (#000000)ΔE 16.26, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F291D

Analogous#1D2C2F, #201D2F

Triadic#2F1D23, #232F1D

Split complementary#2F201D, #2C2F1D

Tetradic#2F1D2C, #2F291D, #1D2F20

Tints, shades & saturation

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

Lighter +40%#7183A7

Lighter +30%#57698E

Lighter +20%#44526E

Lighter +10%#303A4F

Darker −10%#0A0C0F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#132039

Less saturated −25%#262626

Channel breakdown

R29

G35

B47

Red29 (11.4%)

Green35 (13.7%)

Blue47 (18.4%)

Hue220°

Saturation (HSL)23.68%

Lightness14.9%

Dominant channelBlue

Hex per channelR 1D · G 23 · B 2F

Keep nerding

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

#1D232F

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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