Recognised as Colour

#2500A3

#2500A3
Blue
Dark
Nearest: Dark blue

#2500A3 is a blue with RGB values 37, 0, 163 and HSL 254°, 100%, 32%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2500A3#2500A3

HEX#2500A3

RGBrgb(37, 0, 163)

RGB (0–1)0.1451, 0, 0.6392

RGB percentages14.5%, 0%, 63.9%

HSLhsl(253.6, 100%, 32%)

HSV / HSBhsv(253.6, 100%, 63.9%)

CMYK77.3%, 100%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,424,995

CSS custom property--colour: #2500A3;

Brightness & contrast

Relative luminance0.03038WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.06:1

Contrast with white13.06:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#DAFF5C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0037A7no red cones; affects about 1% of men; ΔE 28.8 from the original

Deuteranopia#0029A1no green cones; the most common form, about 1% of men; ΔE 20.6 from the original

Tritanopia#00415Eno blue cones; rare, and affects men and women equally; ΔE 82.4 from the original

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

Contrast with white, large text13.06:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.4 Navy · ΔE 15.5 Medium blue · ΔE 20.4 Indigo · ΔE 21.8 Blue violet · ΔE 25.4 Dark violet · ΔE 27.5

Nearest named CSS colourDark blue (#00008B)ΔE 10.42, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7EA300

Analogous#002DA3, #7600A3

Triadic#A32500, #00A325

Split complementary#A37600, #2DA300

Tetradic#A3002D, #7EA300, #00A376

Tints, shades & saturation

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

Lighter +40%#9070FF

Lighter +30%#693DFF

Lighter +20%#420AFF

Lighter +10%#3100D6

Darker −10%#190070

Darker −20%#0E003D

Darker −30%#02000A

Darker −40%#000000

More saturated +25%#2500A3

Less saturated −25%#30148F

Channel breakdown

R37

B163

Red37 (14.5%)

Green0 (0%)

Blue163 (63.9%)

Hue253.62°

Saturation (HSL)100%

Lightness31.96%

Dominant channelBlue

Hex per channelR 25 · G 00 · B A3

Keep nerding

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

#2500A3

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

Nerdulate something else