Nerdulator> put something in

Recognised as Colour

#0F1B57

  • #0F1B57
  • Blue
  • Dark
  • Nearest: Midnight blue

#0F1B57 is a blue with RGB values 15, 27, 87 and HSL 230°, 71%, 20%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0F1B57#0F1B57
HEX#0F1B57
RGBrgb(15, 27, 87)
RGB (0–1)0.0588, 0.1059, 0.3412
RGB percentages5.9%, 10.6%, 34.1%
HSLhsl(230, 70.6%, 20%)
HSV / HSBhsv(230, 82.8%, 34.1%)
CMYK82.8%, 69%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer990,039
CSS custom property--colour: #0F1B57;

Brightness & contrast

Relative luminance0.01574WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.97:1
Contrast with white15.97:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#F0E4A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002559no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#001E56no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#002B36no blue cones; rare, and affects men and women equally; ΔE 39.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.97:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.3Dark slateblue · ΔE 19.4Rebecca purple · ΔE 32.1Indigo · ΔE 36.5Navy · ΔE 38.9Slate blue · ΔE 41.5
Nearest named CSS colourMidnight blue (#191970)ΔE 17.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574B0F
Analogous#0F3F57, #270F57
Triadic#570F1B, #1B570F
Split complementary#57270F, #3F570F
Tetradic#570F3F, #574B0F, #0F5727

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5169E1
Lighter +30%#2643DA
Lighter +20%#1E36AE
Lighter +10%#172883
Darker −10%#080E2B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#021264
Less saturated −25%#1C234A

Channel breakdown

R15
G27
B87
Red15 (5.9%)
Green27 (10.6%)
Blue87 (34.1%)
Hue230°
Saturation (HSL)70.59%
Lightness20%
Dominant channelBlue
Hex per channelR 0F · G 1B · B 57

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 “0f1b57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.