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Recognised as Colour

#102B5D

  • #102B5D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#102B5D is a blue with RGB values 16, 43, 93 and HSL 219°, 71%, 21%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#102B5D#102B5D
HEX#102B5D
RGBrgb(16, 43, 93)
RGB (0–1)0.0627, 0.1686, 0.3647
RGB percentages6.3%, 16.9%, 36.5%
HSLhsl(219, 70.6%, 21.4%)
HSV / HSBhsv(219, 82.8%, 36.5%)
CMYK82.8%, 53.8%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,059,677
CSS custom property--colour: #102B5D;

Brightness & contrast

Relative luminance0.02628WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.76:1
Contrast with white13.76:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#EFD4A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C315Fno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#002A5Cno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#00373Fno blue cones; rare, and affects men and women equally; ΔE 32.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.76:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.1Midnight blue · ΔE 27.3Steel blue · ΔE 36.9Rebecca purple · ΔE 38.4Dark slate grey · ΔE 38.7Black · ΔE 39.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D4210
Analogous#10515D, #1C105D
Triadic#5D102B, #2B5D10
Split complementary#5D1C10, #515D10
Tetradic#5D1051, #5D4210, #105D1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5788E2
Lighter +30%#2B69DB
Lighter +20%#1F53B4
Lighter +10%#173F89
Darker −10%#091731
Darker −20%#010306
Darker −30%#000000
Darker −40%#000000
More saturated +25%#02276B
Less saturated −25%#1E2F4F

Channel breakdown

R16
G43
B93
Red16 (6.3%)
Green43 (16.9%)
Blue93 (36.5%)
Hue218.96°
Saturation (HSL)70.64%
Lightness21.37%
Dominant channelBlue
Hex per channelR 10 · G 2B · B 5D

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Every value on this page was computed from “102b5d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.