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Recognised as Colour

#2D254B

  • #2D254B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D254B is a blue with RGB values 45, 37, 75 and HSL 253°, 34%, 22%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D254B#2D254B
HEX#2D254B
RGBrgb(45, 37, 75)
RGB (0–1)0.1765, 0.1451, 0.2941
RGB percentages17.6%, 14.5%, 29.4%
HSLhsl(252.6, 33.9%, 22%)
HSV / HSBhsv(252.6, 50.7%, 29.4%)
CMYK40%, 50.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,958,667
CSS custom property--colour: #2D254B;

Brightness & contrast

Relative luminance0.02389WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.21:1
Contrast with white14.21:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#D2DAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#182B4Cno red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#192A4Ano green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#262C34no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.21:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.6Black · ΔE 31.7Midnight blue · ΔE 32.4Dark slate grey · ΔE 34.8Dim grey · ΔE 37.8Steel blue · ΔE 40.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#434B25
Analogous#25304B, #40254B
Triadic#4B2D25, #254B2D
Split complementary#4B4025, #304B25
Tetradic#4B2530, #434B25, #254B40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B7DBF
Lighter +30%#6C5BAE
Lighter +20%#56478F
Lighter +10%#41366D
Darker −10%#191429
Darker −20%#040307
Darker −30%#000000
Darker −40%#000000
More saturated +25%#251759
Less saturated −25%#35333D

Channel breakdown

R45
G37
B75
Red45 (17.6%)
Green37 (14.5%)
Blue75 (29.4%)
Hue252.63°
Saturation (HSL)33.93%
Lightness21.96%
Dominant channelBlue
Hex per channelR 2D · G 25 · B 4B

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Every value on this page was computed from “2d254b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.