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Recognised as Colour

#012A59

  • #012A59
  • Blue
  • Dark
  • Nearest: Dark slateblue

#012A59 is a blue with RGB values 1, 42, 89 and HSL 212°, 98%, 18%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#012A59#012A59
HEX#012A59
RGBrgb(1, 42, 89)
RGB (0–1)0.0039, 0.1647, 0.349
RGB percentages0.4%, 16.5%, 34.9%
HSLhsl(212, 97.8%, 17.6%)
HSV / HSBhsv(212, 98.9%, 34.9%)
CMYK98.9%, 52.8%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer76,377
CSS custom property--colour: #012A59;

Brightness & contrast

Relative luminance0.02384WCAG 2.x, 0 is black and 1 is white
Perceived brightness44 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.22:1
Contrast with white14.22:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FED5A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D2F5Bno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#002758no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00363Dno blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.22:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25Midnight blue · ΔE 29.9Dark slate grey · ΔE 36.9Steel blue · ΔE 37Black · ΔE 37.2Rebecca purple · ΔE 41.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#593001
Analogous#015659, #040159
Triadic#59012A, #2A5901
Split complementary#590401, #565901
Tetradic#590156, #593001, #015904

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#298CFD
Lighter +30%#0371F0
Lighter +20%#025ABE
Lighter +10%#02428B
Darker −10%#001227
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002A5A
Less saturated −25%#0C2B4E

Channel breakdown

R1
G42
B89
Red1 (0.4%)
Green42 (16.5%)
Blue89 (34.9%)
Hue212.05°
Saturation (HSL)97.78%
Lightness17.65%
Dominant channelBlue
Hex per channelR 01 · G 2A · B 59

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Every value on this page was computed from “012a59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.