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Recognised as Colour

#25345A

  • #25345A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#25345A is a blue with RGB values 37, 52, 90 and HSL 223°, 42%, 25%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#25345A#25345A
HEX#25345A
RGBrgb(37, 52, 90)
RGB (0–1)0.1451, 0.2039, 0.3529
RGB percentages14.5%, 20.4%, 35.3%
HSLhsl(223, 41.7%, 24.9%)
HSV / HSBhsv(223, 58.9%, 35.3%)
CMYK58.9%, 42.2%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,438,234
CSS custom property--colour: #25345A;

Brightness & contrast

Relative luminance0.03587WCAG 2.x, 0 is black and 1 is white
Perceived brightness54 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.23:1
Contrast with white12.23:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#DACBA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#24385Cno red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#1E3359no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#083C42no blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.23:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.4Dark slate grey · ΔE 29.3Steel blue · ΔE 32.9Dim grey · ΔE 33.9Black · ΔE 33.9Slate grey · ΔE 34.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A4B25
Analogous#254E5A, #31255A
Triadic#5A2534, #345A25
Split complementary#5A3125, #4F5A25
Tetradic#5A254E, #5A4B25, #255A31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8095CB
Lighter +30%#5C77BC
Lighter +20%#435EA2
Lighter +10%#34497E
Darker −10%#161F36
Darker −20%#070A12
Darker −30%#000000
Darker −40%#000000
More saturated +25%#152D6A
Less saturated −25%#353B4A

Channel breakdown

R37
G52
B90
Red37 (14.5%)
Green52 (20.4%)
Blue90 (35.3%)
Hue223.02°
Saturation (HSL)41.73%
Lightness24.9%
Dominant channelBlue
Hex per channelR 25 · G 34 · B 5A

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Every value on this page was computed from “25345a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.