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Recognised as Colour

#010F33

  • #010F33
  • Blue
  • Dark
  • Nearest: Black

#010F33 is a blue with RGB values 1, 15, 51 and HSL 223°, 96%, 10%. It is a dark colour, so white text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010F33#010F33
HEX#010F33
RGBrgb(1, 15, 51)
RGB (0–1)0.0039, 0.0588, 0.2
RGB percentages0.4%, 5.9%, 20%
HSLhsl(223.2, 96.2%, 10.2%)
HSV / HSBhsv(223.2, 98%, 20%)
CMYK98%, 70.6%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer69,427
CSS custom property--colour: #010F33;

Brightness & contrast

Relative luminance0.00587WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.79:1
Contrast with white18.79:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FEF0CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001434no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#000F32no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#00181Fno blue cones; rare, and affects men and women equally; ΔE 22.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.79:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 27.1Midnight blue · ΔE 35Dark slateblue · ΔE 35.1Dark slate grey · ΔE 39.5Dim grey · ΔE 47.3Rebecca purple · ΔE 48.9
Nearest named CSS colourBlack (#000000)ΔE 27.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#332501
Analogous#012833, #0C0133
Triadic#33010F, #0F3301
Split complementary#330C01, #283301
Tetradic#330128, #332501, #01330C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#064AFA
Lighter +30%#043BC9
Lighter +20%#032C97
Lighter +10%#021E65
Darker −10%#000001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000F34
Less saturated −25%#07122D

Channel breakdown

R1
G15
B51
Red1 (0.4%)
Green15 (5.9%)
Blue51 (20%)
Hue223.2°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelBlue
Hex per channelR 01 · G 0F · B 33

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Every value on this page was computed from “010f33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.