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Recognised as Colour

#19234F

  • #19234F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19234F is a blue with RGB values 25, 35, 79 and HSL 229°, 52%, 20%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19234F#19234F
HEX#19234F
RGBrgb(25, 35, 79)
RGB (0–1)0.098, 0.1373, 0.3098
RGB percentages9.8%, 13.7%, 31%
HSLhsl(228.9, 51.9%, 20.4%)
HSV / HSBhsv(228.9, 68.4%, 31%)
CMYK68.4%, 55.7%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,647,439
CSS custom property--colour: #19234F;

Brightness & contrast

Relative luminance0.01973WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.06:1
Contrast with white15.06:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E6DCB0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A2951no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#01244Eno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#002D35no blue cones; rare, and affects men and women equally; ΔE 29.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.06:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25Midnight blue · ΔE 29Black · ΔE 34.5Dark slate grey · ΔE 37.7Rebecca purple · ΔE 40.3Steel blue · ΔE 40.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F4519
Analogous#193E4F, #2A194F
Triadic#4F1923, #234F19
Split complementary#4F2A19, #3E4F19
Tetradic#4F193E, #4F4519, #194F2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6679CE
Lighter +30%#3F57C2
Lighter +20%#32459C
Lighter +10%#253476
Darker −10%#0D1228
Darker −20%#000102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C1B5C
Less saturated −25%#262B42

Channel breakdown

R25
G35
B79
Red25 (9.8%)
Green35 (13.7%)
Blue79 (31%)
Hue228.89°
Saturation (HSL)51.92%
Lightness20.39%
Dominant channelBlue
Hex per channelR 19 · G 23 · B 4F

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Every value on this page was computed from “19234f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.