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Recognised as Colour

#102A4E

  • #102A4E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#102A4E is a blue with RGB values 16, 42, 78 and HSL 215°, 66%, 18%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102A4E#102A4E
HEX#102A4E
RGBrgb(16, 42, 78)
RGB (0–1)0.0627, 0.1647, 0.3059
RGB percentages6.3%, 16.5%, 30.6%
HSLhsl(214.8, 66%, 18.4%)
HSV / HSBhsv(214.8, 79.5%, 30.6%)
CMYK79.5%, 46.2%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,059,406
CSS custom property--colour: #102A4E;

Brightness & contrast

Relative luminance0.02316WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.35:1
Contrast with white14.35:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#EFD5B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#192D4Fno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#0E274Dno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#003238no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.35:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 30.3Black · ΔE 30.7Dark slateblue · ΔE 30.7Midnight blue · ΔE 36.6Steel blue · ΔE 37.1Dim grey · ΔE 37.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 30.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E3410
Analogous#10494E, #15104E
Triadic#4E102A, #2A4E10
Split complementary#4E1510, #494E10
Tetradic#4E1049, #4E3410, #104E15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4F8ADB
Lighter +30%#2A6ECD
Lighter +20%#2158A3
Lighter +10%#194178
Darker −10%#071324
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04285A
Less saturated −25%#1C2C42

Channel breakdown

R16
G42
B78
Red16 (6.3%)
Green42 (16.5%)
Blue78 (30.6%)
Hue214.84°
Saturation (HSL)65.96%
Lightness18.43%
Dominant channelBlue
Hex per channelR 10 · G 2A · B 4E

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Every value on this page was computed from “102a4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.