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Recognised as Colour

#031A67

  • #031A67
  • Blue
  • Dark
  • Nearest: Midnight blue

#031A67 is a blue with RGB values 3, 26, 103 and HSL 226°, 94%, 21%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#031A67#031A67
HEX#031A67
RGBrgb(3, 26, 103)
RGB (0–1)0.0118, 0.102, 0.4039
RGB percentages1.2%, 10.2%, 40.4%
HSLhsl(226.2, 94.3%, 20.8%)
HSV / HSBhsv(226.2, 97.1%, 40.4%)
CMYK97.1%, 74.8%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer203,367
CSS custom property--colour: #031A67;

Brightness & contrast

Relative luminance0.01737WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.58:1
Contrast with white15.58:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FCE598

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002869no red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#001F66no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#00303Eno blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.58:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.7Dark slateblue · ΔE 17.4Rebecca purple · ΔE 25.4Indigo · ΔE 27.4Navy · ΔE 28.1Dark blue · ΔE 32.9
Nearest named CSS colourMidnight blue (#191970)ΔE 6.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#675003
Analogous#034C67, #1E0367
Triadic#67031A, #1A6703
Split complementary#671E03, #4C6703
Tetradic#67034C, #675003, #03671E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3D68F9
Lighter +30%#0B42F8
Lighter +20%#0633CA
Lighter +10%#042799
Darker −10%#020D35
Darker −20%#000104
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00186A
Less saturated −25%#10215A

Channel breakdown

R3
G26
B103
Red3 (1.2%)
Green26 (10.2%)
Blue103 (40.4%)
Hue226.2°
Saturation (HSL)94.34%
Lightness20.78%
Dominant channelBlue
Hex per channelR 03 · G 1A · B 67

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Every value on this page was computed from “031a67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.