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Recognised as Colour

#023DA6

  • #023DA6
  • Blue
  • Dark
  • Nearest: Slate blue

#023DA6 is a blue with RGB values 2, 61, 166 and HSL 218°, 98%, 33%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#023DA6#023DA6
HEX#023DA6
RGBrgb(2, 61, 166)
RGB (0–1)0.0078, 0.2392, 0.651
RGB percentages0.8%, 23.9%, 65.1%
HSLhsl(218.4, 97.6%, 32.9%)
HSV / HSBhsv(218.4, 98.8%, 65.1%)
CMYK98.8%, 63.3%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer146,854
CSS custom property--colour: #023DA6;

Brightness & contrast

Relative luminance0.06104WCAG 2.x, 0 is black and 1 is white
Perceived brightness73 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.46:1
Contrast with white9.46:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FDC259

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DA9no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#003FA4no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00596Bno blue cones; rare, and affects men and women equally; ΔE 61.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.46:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.1Midnight blue · ΔE 18.2Dark slateblue · ΔE 18.6Royal blue · ΔE 18.8Rebecca purple · ΔE 20.7Navy · ΔE 26.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A66B02
Analogous#028FA6, #1902A6
Triadic#A6023D, #3DA602
Split complementary#A61902, #8FA602
Tetradic#A6028F, #A66B02, #02A619

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#77A7FD
Lighter +30%#4487FD
Lighter +20%#1266FC
Lighter +10%#0350D8
Darker −10%#012A74
Darker −20%#011841
Darker −30%#00050F
Darker −40%#000000
More saturated +25%#003CA8
Less saturated −25%#174391

Channel breakdown

R2
G61
B166
Red2 (0.8%)
Green61 (23.9%)
Blue166 (65.1%)
Hue218.41°
Saturation (HSL)97.62%
Lightness32.94%
Dominant channelBlue
Hex per channelR 02 · G 3D · B A6

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Every value on this page was computed from “023da6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.