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Recognised as Colour

#01599C

  • #01599C
  • Blue
  • Dark
  • Nearest: Steel blue

#01599C is a blue with RGB values 1, 89, 156 and HSL 206°, 99%, 31%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#01599C#01599C
HEX#01599C
RGBrgb(1, 89, 156)
RGB (0–1)0.0039, 0.349, 0.6118
RGB percentages0.4%, 34.9%, 61.2%
HSLhsl(205.9, 98.7%, 30.8%)
HSV / HSBhsv(205.9, 99.4%, 61.2%)
CMYK99.4%, 42.9%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer88,476
CSS custom property--colour: #01599C;

Brightness & contrast

Relative luminance0.09552WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.22:1
Contrast with white7.22:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#FEA663

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#365E9Fno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#1A519Bno green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#006973no blue cones; rare, and affects men and women equally; ΔE 39.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.22:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.4Dark slateblue · ΔE 22.7Cornflower blue · ΔE 26.3Dodgerblue · ΔE 31Royal blue · ΔE 33.4Midnight blue · ΔE 35.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C4401
Analogous#019C92, #010B9C
Triadic#9C0159, #599C01
Split complementary#9C010B, #9C9201
Tetradic#92019C, #9C4401, #0B9C01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6BBEFE
Lighter +30%#38A8FE
Lighter +20%#0692FD
Lighter +10%#0176CF
Darker −10%#013C69
Darker −20%#001F37
Darker −30%#000204
Darker −40%#000000
More saturated +25%#00599D
Less saturated −25%#155688

Channel breakdown

R1
G89
B156
Red1 (0.4%)
Green89 (34.9%)
Blue156 (61.2%)
Hue205.94°
Saturation (HSL)98.73%
Lightness30.78%
Dominant channelBlue
Hex per channelR 01 · G 59 · B 9C

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Every value on this page was computed from “01599c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.