Nerdulator> put something in

Colour

#0A3955

  • #0A3955
  • Blue
  • Dark
  • Nearest: Dark slate grey

#0A3955 is a blue with RGB values 10, 57, 85 and HSL 202°, 79%, 19%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A3955#0A3955
HEX#0A3955
RGBrgb(10, 57, 85)
RGB (0–1)0.0392, 0.2235, 0.3333
RGB percentages3.9%, 22.4%, 33.3%
HSLhsl(202.4, 78.9%, 18.6%)
HSV / HSBhsv(202.4, 88.2%, 33.3%)
CMYK88.2%, 32.9%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer670,037
CSS custom property--colour: #0A3955;

Brightness & contrast

Relative luminance0.03647WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.14:1
Contrast with white12.14:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#F5C6AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C3956no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#223354no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#004043no blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.14:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.1Dim grey · ΔE 30.8Black · ΔE 31.1Steel blue · ΔE 31.9Slate grey · ΔE 32.2Light slate grey · ΔE 35
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55260A
Analogous#0A554B, #0A1455
Triadic#550A39, #39550A
Split complementary#550A14, #554B0A
Tetradic#4B0A55, #55260A, #14550A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42ABE9
Lighter +30%#1A95DE
Lighter +20%#1576B0
Lighter +10%#0F5883
Darker −10%#051A27
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003C5F
Less saturated −25%#163649

Channel breakdown

R10
G57
B85
Red10 (3.9%)
Green57 (22.4%)
Blue85 (33.3%)
Hue202.4°
Saturation (HSL)78.95%
Lightness18.63%
Dominant channelBlue
Hex per channelR 0A · G 39 · B 55

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 “0a3955” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.