Colour

#01263B

#01263B
Blue
Dark
Nearest: Black

#01263B is a blue with RGB values 1, 38, 59 and HSL 202°, 97%, 12%. 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

#01263B#01263B

HEX#01263B

RGBrgb(1, 38, 59)

RGB (0–1)0.0039, 0.149, 0.2314

RGB percentages0.4%, 14.9%, 23.1%

HSLhsl(201.7, 96.7%, 11.8%)

HSV / HSBhsv(201.7, 98.3%, 23.1%)

CMYK98.3%, 35.6%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer75,323

CSS custom property--colour: #01263B;

Brightness & contrast

Relative luminance0.01708WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.65:1

Contrast with white15.65:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#FED9C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C263Cno red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#14213Bno green cones; the most common form, about 1% of men; ΔE 7.7 from the original

Tritanopia#002B2Dno blue cones; rare, and affects men and women equally; ΔE 15.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.65:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 22.3 Dark slate grey · ΔE 23.4 Dim grey · ΔE 35.2 Slate grey · ΔE 39.5 Steel blue · ΔE 41.5 Dark slateblue · ΔE 42.3

Nearest named CSS colourBlack (#000000)ΔE 22.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B1601

Analogous#013B33, #01093B

Triadic#3B0126, #263B01

Split complementary#3B0109, #3B3301

Tetradic#33013B, #3B1601, #093B01

Tints, shades & saturation

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

Lighter +40%#0DA5FB

Lighter +30%#0487D1

Lighter +20%#03679F

Lighter +10%#02466D

Darker −10%#000609

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00263C

Less saturated −25%#092433

Channel breakdown

G38

B59

Red1 (0.4%)

Green38 (14.9%)

Blue59 (23.1%)

Hue201.72°

Saturation (HSL)96.67%

Lightness11.76%

Dominant channelBlue

Hex per channelR 01 · G 26 · B 3B

Keep nerding

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

#01263B

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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