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Recognised as Colour

#25415B

  • #25415B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#25415B is a blue with RGB values 37, 65, 91 and HSL 209°, 42%, 25%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25415B#25415B
HEX#25415B
RGBrgb(37, 65, 91)
RGB (0–1)0.1451, 0.2549, 0.3569
RGB percentages14.5%, 25.5%, 35.7%
HSLhsl(208.9, 42.2%, 25.1%)
HSV / HSBhsv(208.9, 59.3%, 35.7%)
CMYK59.3%, 28.6%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,441,563
CSS custom property--colour: #25415B;

Brightness & contrast

Relative luminance0.04929WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.57:1
Contrast with white10.57:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#DABEA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36425Cno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#2F3C5Ano green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#02474Ano blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.57:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.5Dim grey · ΔE 25.9Slate grey · ΔE 27.5Steel blue · ΔE 29.3Light slate grey · ΔE 30.4Black · ΔE 32.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B3F25
Analogous#255B5A, #25265B
Triadic#5B2541, #415B25
Split complementary#5B2526, #5B5A25
Tetradic#5A255B, #5B3F25, #265B25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80A7CC
Lighter +30%#5C8EBD
Lighter +20%#4275A4
Lighter +10%#345B7F
Darker −10%#162737
Darker −20%#080D12
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15426B
Less saturated −25%#35404B

Channel breakdown

R37
G65
B91
Red37 (14.5%)
Green65 (25.5%)
Blue91 (35.7%)
Hue208.89°
Saturation (HSL)42.19%
Lightness25.1%
Dominant channelBlue
Hex per channelR 25 · G 41 · B 5B

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Every value on this page was computed from “25415b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.