Colour

#01022F

#01022F
Blue
Dark
Nearest: Black

#01022F is a blue with RGB values 1, 2, 47 and HSL 239°, 96%, 9%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#01022F#01022F

HEX#01022F

RGBrgb(1, 2, 47)

RGB (0–1)0.0039, 0.0078, 0.1843

RGB percentages0.4%, 0.8%, 18.4%

HSLhsl(238.7, 95.8%, 9.4%)

HSV / HSBhsv(238.7, 97.9%, 18.4%)

CMYK97.9%, 95.7%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer66,095

CSS custom property--colour: #01022F;

Brightness & contrast

Relative luminance0.00255WCAG 2.x, 0 is black and 1 is white

Perceived brightness16 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.98:1

Contrast with white19.98:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#050505

Inverted#FEFDD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000B30no red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#00062Eno green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#000F18no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.98:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 29.7 Midnight blue · ΔE 32.7 Dark slateblue · ΔE 35.1 Dark slate grey · ΔE 44.2 Rebecca purple · ΔE 47.7 Indigo · ΔE 50.7

Nearest named CSS colourBlack (#000000)ΔE 29.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F2E01

Analogous#01192F, #17012F

Triadic#2F0102, #022F01

Split complementary#2F1701, #192F01

Tetradic#2F0119, #2F2E01, #012F17

Tints, shades & saturation

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

Lighter +40%#050BF7

Lighter +30%#0408C5

Lighter +20%#030693

Lighter +10%#020461

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000130

Less saturated −25%#070829

Channel breakdown

B47

Red1 (0.4%)

Green2 (0.8%)

Blue47 (18.4%)

Hue238.7°

Saturation (HSL)95.83%

Lightness9.41%

Dominant channelBlue

Hex per channelR 01 · G 02 · B 2F

Keep nerding

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

#01022F

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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