Nerdulator> put something in

Colour

#01011F

  • #01011F
  • Blue
  • Dark
  • Nearest: Black

#01011F is a blue with RGB values 1, 1, 31 and HSL 240°, 94%, 6%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#01011F#01011F
HEX#01011F
RGBrgb(1, 1, 31)
RGB (0–1)0.0039, 0.0039, 0.1216
RGB percentages0.4%, 0.4%, 12.2%
HSLhsl(240, 93.8%, 6.3%)
HSV / HSBhsv(240, 96.8%, 12.2%)
CMYK96.8%, 96.8%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer65,823
CSS custom property--colour: #01011F;

Brightness & contrast

Relative luminance0.00127WCAG 2.x, 0 is black and 1 is white
Perceived brightness10.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.48:1
Contrast with white20.48:1WCAG normal text: AAA
Contrast with black1.03:1WCAG normal text: Fail
Greyscale equivalent#030303
Inverted#FEFEE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000520no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#00031Eno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#00080Eno blue cones; rare, and affects men and women equally; ΔE 15 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.48:1WCAG large text: AAA
Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 17.4Dark slate grey · ΔE 37.2Dark slateblue · ΔE 44.1Midnight blue · ΔE 44.5Dim grey · ΔE 46.6Slate grey · ΔE 52.7
Nearest named CSS colourBlack (#000000)ΔE 17.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F1F01
Analogous#01101F, #10011F
Triadic#1F0101, #011F01
Split complementary#1F1001, #101F01
Tetradic#1F0110, #1F1F01, #011F10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0707E5
Lighter +30%#0606B3
Lighter +20%#040482
Lighter +10%#030350
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000020
Less saturated −25%#05051B

Channel breakdown

R1
G1
B31
Red1 (0.4%)
Green1 (0.4%)
Blue31 (12.2%)
Hue240°
Saturation (HSL)93.75%
Lightness6.27%
Dominant channelBlue
Hex per channelR 01 · G 01 · B 1F

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 “01011f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.