Nerdulator> put something in

Colour

#19175F

  • #19175F
  • Blue
  • Dark
  • Nearest: Midnight blue

#19175F is a blue with RGB values 25, 23, 95 and HSL 242°, 61%, 23%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#19175F#19175F
HEX#19175F
RGBrgb(25, 23, 95)
RGB (0–1)0.098, 0.0902, 0.3725
RGB percentages9.8%, 9%, 37.3%
HSLhsl(241.7, 61%, 23.1%)
HSV / HSBhsv(241.7, 75.8%, 37.3%)
CMYK73.7%, 75.8%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,644,383
CSS custom property--colour: #19175F;

Brightness & contrast

Relative luminance0.01646WCAG 2.x, 0 is black and 1 is white
Perceived brightness39.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.8:1
Contrast with white15.8:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#E6E8A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002661no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#001F5Eno green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#002B39no blue cones; rare, and affects men and women equally; ΔE 45.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.8:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.1Dark slateblue · ΔE 17.3Rebecca purple · ΔE 25.7Indigo · ΔE 28.2Navy · ΔE 30.6Dark blue · ΔE 35.5
Nearest named CSS colourMidnight blue (#191970)ΔE 9.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D5F17
Analogous#17395F, #3D175F
Triadic#5F1917, #175F19
Split complementary#5F3D17, #395F17
Tetradic#5F1739, #5D5F17, #175F3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6B68DA
Lighter +30%#433FD0
Lighter +20%#2F2BB1
Lighter +10%#242188
Darker −10%#0E0D36
Darker −20%#03030D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B086E
Less saturated −25%#272650

Channel breakdown

R25
G23
B95
Red25 (9.8%)
Green23 (9%)
Blue95 (37.3%)
Hue241.67°
Saturation (HSL)61.02%
Lightness23.14%
Dominant channelBlue
Hex per channelR 19 · G 17 · B 5F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “19175f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.