Nerdulator> put something in

Recognised as Colour

#04151E

  • #04151E
  • Blue
  • Dark
  • Nearest: Black

#04151E is a blue with RGB values 4, 21, 30 and HSL 201°, 76%, 7%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04151E#04151E
HEX#04151E
RGBrgb(4, 21, 30)
RGB (0–1)0.0157, 0.0824, 0.1176
RGB percentages1.6%, 8.2%, 11.8%
HSLhsl(200.8, 76.5%, 6.7%)
HSV / HSBhsv(200.8, 86.7%, 11.8%)
CMYK86.7%, 30%, 0%, 88.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer267,550
CSS custom property--colour: #04151E;

Brightness & contrast

Relative luminance0.00656WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.56:1
Contrast with white18.56:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FBEAE1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#11151Eno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#0D121Eno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#001718no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.56:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 10.5Dark slate grey · ΔE 27.2Dim grey · ΔE 39.5Slate grey · ΔE 47Gray · ΔE 48.4Teal · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 10.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E0D04
Analogous#041E1A, #04081E
Triadic#1E0415, #151E04
Split complementary#1E0408, #1E1A04
Tetradic#1A041E, #1E0D04, #081E04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1C93D2
Lighter +30%#1674A5
Lighter +20%#105478
Lighter +10%#0A354B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001622
Less saturated −25%#08141A

Channel breakdown

R4
G21
B30
Red4 (1.6%)
Green21 (8.2%)
Blue30 (11.8%)
Hue200.77°
Saturation (HSL)76.47%
Lightness6.67%
Dominant channelBlue
Hex per channelR 04 · G 15 · B 1E

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 “04151e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.