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Recognised as Colour

#01297D

  • #01297D
  • Blue
  • Dark
  • Nearest: Midnight blue

#01297D is a blue with RGB values 1, 41, 125 and HSL 221°, 98%, 25%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#01297D#01297D
HEX#01297D
RGBrgb(1, 41, 125)
RGB (0–1)0.0039, 0.1608, 0.4902
RGB percentages0.4%, 16.1%, 49%
HSLhsl(220.6, 98.4%, 24.7%)
HSV / HSBhsv(220.6, 99.2%, 49%)
CMYK99.2%, 67.2%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer76,157
CSS custom property--colour: #01297D;

Brightness & contrast

Relative luminance0.03073WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.01:1
Contrast with white13.01:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FED682

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003780no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#002C7Bno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00404Fno blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.01:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.7Dark slateblue · ΔE 13.6Rebecca purple · ΔE 22.6Indigo · ΔE 27.5Navy · ΔE 28.1Slate blue · ΔE 28.5
Nearest named CSS colourMidnight blue (#191970)ΔE 8.67, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D5501
Analogous#01677D, #17017D
Triadic#7D0129, #297D01
Split complementary#7D1701, #677D01
Tetradic#7D0167, #7D5501, #017D17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4C86FE
Lighter +30%#1A63FD
Lighter +20%#024AE2
Lighter +10%#013AB0
Darker −10%#01184A
Darker −20%#000818
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00297E
Less saturated −25%#112F6D

Channel breakdown

R1
G41
B125
Red1 (0.4%)
Green41 (16.1%)
Blue125 (49%)
Hue220.65°
Saturation (HSL)98.41%
Lightness24.71%
Dominant channelBlue
Hex per channelR 01 · G 29 · B 7D

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Every value on this page was computed from “01297d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.