Recognised as Colour

#0102B1

#0102B1
Blue
Dark
Nearest: Medium blue

#0102B1 is a blue with RGB values 1, 2, 177 and HSL 240°, 99%, 35%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0102B1#0102B1

HEX#0102B1

RGBrgb(1, 2, 177)

RGB (0–1)0.0039, 0.0078, 0.6941

RGB percentages0.4%, 0.8%, 69.4%

HSLhsl(239.7, 98.9%, 34.9%)

HSV / HSBhsv(239.7, 99.4%, 69.4%)

CMYK99.4%, 98.9%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer66,225

CSS custom property--colour: #0102B1;

Brightness & contrast

Relative luminance0.03224WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.77:1

Contrast with white12.77:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#FEFD4E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003BB5no red cones; affects about 1% of men; ΔE 30.1 from the original

Deuteranopia#0028AFno green cones; the most common form, about 1% of men; ΔE 18.5 from the original

Tritanopia#004866no blue cones; rare, and affects men and women equally; ΔE 89.5 from the original

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

Contrast with white, large text12.77:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13 Dark blue · ΔE 17.1 Navy · ΔE 22.4 Blue violet · ΔE 24.6 Dark violet · ΔE 27.4 Indigo · ΔE 29.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 12.98, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B1B001

Analogous#015AB1, #5801B1

Triadic#B10102, #02B101

Split complementary#B15801, #5AB101

Tetradic#B1015A, #B1B001, #01B158

Tints, shades & saturation

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

Lighter +40%#8080FE

Lighter +30%#4D4EFE

Lighter +20%#1A1CFE

Lighter +10%#0103E4

Darker −10%#01017E

Darker −20%#00014C

Darker −30%#000019

Darker −40%#000000

More saturated +25%#0001B2

Less saturated −25%#17189B

Channel breakdown

B177

Red1 (0.4%)

Green2 (0.8%)

Blue177 (69.4%)

Hue239.66°

Saturation (HSL)98.88%

Lightness34.9%

Dominant channelBlue

Hex per channelR 01 · G 02 · B B1

Keep nerding

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

#0102B1

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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