Colour

#01275E

#01275E
Blue
Dark
Nearest: Dark slateblue

#01275E is a blue with RGB values 1, 39, 94 and HSL 215°, 98%, 19%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#01275E#01275E

HEX#01275E

RGBrgb(1, 39, 94)

RGB (0–1)0.0039, 0.1529, 0.3686

RGB percentages0.4%, 15.3%, 36.9%

HSLhsl(215.5, 97.9%, 18.6%)

HSV / HSBhsv(215.5, 98.9%, 36.9%)

CMYK98.9%, 58.5%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer75,614

CSS custom property--colour: #01275E;

Brightness & contrast

Relative luminance0.02266WCAG 2.x, 0 is black and 1 is white

Perceived brightness43.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.45:1

Contrast with white14.45:1WCAG normal text: AAA

Contrast with black1.45:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#FED8A1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002E60no red cones; affects about 1% of men; ΔE 5.6 from the original

Deuteranopia#00265Dno green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#00353Eno blue cones; rare, and affects men and women equally; ΔE 35.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.45:1WCAG large text: AAA

Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.6 Midnight blue · ΔE 23.7 Rebecca purple · ΔE 36.4 Steel blue · ΔE 39.4 Black · ΔE 41.7 Dark slate grey · ΔE 42.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.58, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5E3801

Analogous#01555E, #0A015E

Triadic#5E0127, #275E01

Split complementary#5E0A01, #565E01

Tetradic#5E0155, #5E3801, #015E0A

Tints, shades & saturation

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

Lighter +40%#2E83FD

Lighter +30%#0366F5

Lighter +20%#0251C3

Lighter +10%#023C90

Darker −10%#00122C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00275F

Less saturated −25%#0D2952

Channel breakdown

G39

B94

Red1 (0.4%)

Green39 (15.3%)

Blue94 (36.9%)

Hue215.48°

Saturation (HSL)97.89%

Lightness18.63%

Dominant channelBlue

Hex per channelR 01 · G 27 · B 5E

Keep nerding

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#01275E

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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