Colour

#1B3D45

#1B3D45
Cyan
Dark
Nearest: Dark slate grey

#1B3D45 is a cyan with RGB values 27, 61, 69 and HSL 191°, 44%, 19%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1B3D45#1B3D45

HEX#1B3D45

RGBrgb(27, 61, 69)

RGB (0–1)0.1059, 0.2392, 0.2706

RGB percentages10.6%, 23.9%, 27.1%

HSLhsl(191.4, 43.7%, 18.8%)

HSV / HSBhsv(191.4, 60.9%, 27.1%)

CMYK60.9%, 11.6%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,785,157

CSS custom property--colour: #1B3D45;

Brightness & contrast

Relative luminance0.04WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.67:1

Contrast with white11.67:1WCAG normal text: AAA

Contrast with black1.8:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#E4C2BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#373B45no red cones; affects about 1% of men; ΔE 10.7 from the original

Deuteranopia#313645no green cones; the most common form, about 1% of men; ΔE 11.7 from the original

Tritanopia#00403Fno blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.67:1WCAG large text: AAA

Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.3 Dim grey · ΔE 24.5 Black · ΔE 27 Slate grey · ΔE 30.2 Teal · ΔE 31.2 Gray · ΔE 32.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.3, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45231B

Analogous#1B4538, #1B2845

Triadic#451B3D, #3D451B

Split complementary#451B28, #45381B

Tetradic#381B45, #45231B, #28451B

Tints, shades & saturation

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

Lighter +40%#68B2C4

Lighter +30%#469EB3

Lighter +20%#387E8E

Lighter +10%#295D6A

Darker −10%#0D1D20

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F4451

Less saturated −25%#273639

Channel breakdown

R27

G61

B69

Red27 (10.6%)

Green61 (23.9%)

Blue69 (27.1%)

Hue191.43°

Saturation (HSL)43.75%

Lightness18.82%

Dominant channelBlue

Hex per channelR 1B · G 3D · B 45

Keep nerding

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

#1B3D45

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

Nerdulate something else