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Recognised as Colour

#010349

  • #010349
  • Blue
  • Dark
  • Nearest: Midnight blue

#010349 is a blue with RGB values 1, 3, 73 and HSL 238°, 97%, 15%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#010349#010349
HEX#010349
RGBrgb(1, 3, 73)
RGB (0–1)0.0039, 0.0118, 0.2863
RGB percentages0.4%, 1.2%, 28.6%
HSLhsl(238.3, 97.3%, 14.5%)
HSV / HSBhsv(238.3, 98.6%, 28.6%)
CMYK98.6%, 95.9%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer66,377
CSS custom property--colour: #010349;

Brightness & contrast

Relative luminance0.00553WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.91:1
Contrast with white18.91:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FEFCB6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00154Bno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#000D48no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#001B28no blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.91:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.3Dark slateblue · ΔE 25.9Indigo · ΔE 31.1Navy · ΔE 31.8Rebecca purple · ΔE 32.4Dark blue · ΔE 37
Nearest named CSS colourMidnight blue (#191970)ΔE 14.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494701
Analogous#012749, #230149
Triadic#490103, #034901
Split complementary#492301, #274901
Tetradic#490127, #494701, #014923

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1A20FC
Lighter +30%#0309E0
Lighter +20%#0207AE
Lighter +10%#02057B
Darker −10%#000117
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00024A
Less saturated −25%#0A0C40

Channel breakdown

R1
G3
B73
Red1 (0.4%)
Green3 (1.2%)
Blue73 (28.6%)
Hue238.33°
Saturation (HSL)97.3%
Lightness14.51%
Dominant channelBlue
Hex per channelR 01 · G 03 · B 49

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Every value on this page was computed from “hex 010349” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.