Colour

#03102D

#03102D
Blue
Dark
Nearest: Black

#03102D is a blue with RGB values 3, 16, 45 and HSL 221°, 88%, 9%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#03102D#03102D

HEX#03102D

RGBrgb(3, 16, 45)

RGB (0–1)0.0118, 0.0627, 0.1765

RGB percentages1.2%, 6.3%, 17.6%

HSLhsl(221.4, 87.5%, 9.4%)

HSV / HSBhsv(221.4, 93.3%, 17.6%)

CMYK93.3%, 64.4%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer200,749

CSS custom property--colour: #03102D;

Brightness & contrast

Relative luminance0.00579WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.82:1

Contrast with white18.82:1WCAG normal text: AAA

Contrast with black1.12:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#FCEFD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#01142Eno red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#00102Cno green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#00171Cno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.82:1WCAG large text: AAA

Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 22.1 Dark slate grey · ΔE 35.7 Dark slateblue · ΔE 38.9 Midnight blue · ΔE 40.1 Dim grey · ΔE 44.7 Slate grey · ΔE 49.3

Nearest named CSS colourBlack (#000000)ΔE 22.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2D2003

Analogous#03252D, #0B032D

Triadic#2D0310, #102D03

Split complementary#2D0B03, #252D03

Tetradic#2D0325, #2D2003, #032D0B

Tints, shades & saturation

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

Lighter +40%#1054EC

Lighter +30%#0D43BC

Lighter +20%#09328D

Lighter +10%#06215D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000F30

Less saturated −25%#091227

Channel breakdown

G16

B45

Red3 (1.2%)

Green16 (6.3%)

Blue45 (17.6%)

Hue221.43°

Saturation (HSL)87.5%

Lightness9.41%

Dominant channelBlue

Hex per channelR 03 · G 10 · B 2D

Keep nerding

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

#03102D

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