Recognised as Colour

#01253F

#01253F
Blue
Dark
Nearest: Black

#01253F is a blue with RGB values 1, 37, 63 and HSL 205°, 97%, 13%. 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

#01253F#01253F

HEX#01253F

RGBrgb(1, 37, 63)

RGB (0–1)0.0039, 0.1451, 0.2471

RGB percentages0.4%, 14.5%, 24.7%

HSLhsl(205.2, 96.9%, 12.5%)

HSV / HSBhsv(205.2, 98.4%, 24.7%)

CMYK98.4%, 41.3%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer75,071

CSS custom property--colour: #01253F;

Brightness & contrast

Relative luminance0.01688WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.7:1

Contrast with white15.7:1WCAG normal text: AAA

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

Greyscale equivalent#1F1F1F

Inverted#FEDAC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#182640no red cones; affects about 1% of men; ΔE 4.8 from the original

Deuteranopia#0F213Fno green cones; the most common form, about 1% of men; ΔE 5.7 from the original

Tritanopia#002B2Fno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.7:1WCAG large text: AAA

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

Named colours

Black · ΔE 24.3 Dark slate grey · ΔE 26.3 Dim grey · ΔE 36.6 Dark slateblue · ΔE 38.8 Slate grey · ΔE 40.2 Steel blue · ΔE 40.7

Nearest named CSS colourBlack (#000000)ΔE 24.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3F1B01

Analogous#013F3A, #01063F

Triadic#3F0125, #253F01

Split complementary#3F0106, #3F3A01

Tetradic#3A013F, #3F1B01, #063F01

Tints, shades & saturation

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

Lighter +40%#1199FB

Lighter +30%#037DD6

Lighter +20%#0360A3

Lighter +10%#024271

Darker −10%#00080D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002540

Less saturated −25%#092437

Channel breakdown

G37

B63

Red1 (0.4%)

Green37 (14.5%)

Blue63 (24.7%)

Hue205.16°

Saturation (HSL)96.88%

Lightness12.55%

Dominant channelBlue

Hex per channelR 01 · G 25 · B 3F

Keep nerding

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

#01253F

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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