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Recognised as Colour

#0A2A60

  • #0A2A60
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0A2A60 is a blue with RGB values 10, 42, 96 and HSL 218°, 81%, 21%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0A2A60#0A2A60
HEX#0A2A60
RGBrgb(10, 42, 96)
RGB (0–1)0.0392, 0.1647, 0.3765
RGB percentages3.9%, 16.5%, 37.6%
HSLhsl(217.7, 81.1%, 20.8%)
HSV / HSBhsv(217.7, 89.6%, 37.6%)
CMYK89.6%, 56.3%, 0%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer666,208
CSS custom property--colour: #0A2A60;

Brightness & contrast

Relative luminance0.02565WCAG 2.x, 0 is black and 1 is white
Perceived brightness46 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.88:1
Contrast with white13.88:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#F5D59F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#033162no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#00295Fno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#003740no blue cones; rare, and affects men and women equally; ΔE 34.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.88:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.3Midnight blue · ΔE 24.7Rebecca purple · ΔE 36.5Steel blue · ΔE 37.8Black · ΔE 41.4Dark slate grey · ΔE 41.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#60400A
Analogous#0A5560, #150A60
Triadic#600A2A, #2A600A
Split complementary#60150A, #55600A
Tetradic#600A55, #60400A, #0A6015

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4A86EC
Lighter +30%#1C67E7
Lighter +20%#1452BC
Lighter +10%#0F3E8E
Darker −10%#051632
Darker −20%#000204
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00276A
Less saturated −25%#172D53

Channel breakdown

R10
G42
B96
Red10 (3.9%)
Green42 (16.5%)
Blue96 (37.6%)
Hue217.67°
Saturation (HSL)81.13%
Lightness20.78%
Dominant channelBlue
Hex per channelR 0A · G 2A · B 60

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Every value on this page was computed from “0a2a60” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.