Colour

#01658E

#01658E
Cyan
Dark
Nearest: Steel blue

#01658E is a cyan with RGB values 1, 101, 142 and HSL 197°, 99%, 28%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#01658E#01658E

HEX#01658E

RGBrgb(1, 101, 142)

RGB (0–1)0.0039, 0.3961, 0.5569

RGB percentages0.4%, 39.6%, 55.7%

HSLhsl(197.4, 98.6%, 28%)

HSV / HSBhsv(197.4, 99.3%, 55.7%)

CMYK99.3%, 28.9%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer91,534

CSS custom property--colour: #01658E;

Brightness & contrast

Relative luminance0.11267WCAG 2.x, 0 is black and 1 is white

Perceived brightness91 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.45:1

Contrast with white6.45:1WCAG normal text: AA

Contrast with black3.25:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#FE9A71

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#516590no red cones; affects about 1% of men; ΔE 14.2 from the original

Deuteranopia#3F598Dno green cones; the most common form, about 1% of men; ΔE 15.7 from the original

Tritanopia#007073no blue cones; rare, and affects men and women equally; ΔE 25.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.45:1WCAG large text: AAA

Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.7 Slate grey · ΔE 23.8 Light slate grey · ΔE 25.2 Dark slate grey · ΔE 27.3 Teal · ΔE 30 Dim grey · ΔE 31.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 13.68, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8E2A01

Analogous#018E71, #011E8E

Triadic#8E0165, #658E01

Split complementary#8E011E, #8E7101

Tetradic#71018E, #8E2A01, #1E8E01

Tints, shades & saturation

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

Lighter +40%#5DCFFE

Lighter +30%#2AC0FE

Lighter +20%#02ADF3

Lighter +10%#0189C1

Darker −10%#01415B

Darker −20%#001D29

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00658F

Less saturated −25%#135E7C

Channel breakdown

G101

B142

Red1 (0.4%)

Green101 (39.6%)

Blue142 (55.7%)

Hue197.45°

Saturation (HSL)98.6%

Lightness28.04%

Dominant channelBlue

Hex per channelR 01 · G 65 · B 8E

Keep nerding

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

#01658E

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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