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Recognised as Colour

#010C5B

  • #010C5B
  • Blue
  • Dark
  • Nearest: Midnight blue

#010C5B is a blue with RGB values 1, 12, 91 and HSL 233°, 98%, 18%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#010C5B#010C5B
HEX#010C5B
RGBrgb(1, 12, 91)
RGB (0–1)0.0039, 0.0471, 0.3569
RGB percentages0.4%, 4.7%, 35.7%
HSLhsl(232.7, 97.8%, 18%)
HSV / HSBhsv(232.7, 98.9%, 35.7%)
CMYK98.9%, 86.8%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer68,699
CSS custom property--colour: #010C5B;

Brightness & contrast

Relative luminance0.01025WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.43:1
Contrast with white17.43:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FEF3A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001E5Dno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#00155Ano green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#002534no blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.43:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.4Dark slateblue · ΔE 22.5Indigo · ΔE 25.2Navy · ΔE 25.2Rebecca purple · ΔE 26.9Dark blue · ΔE 30.4
Nearest named CSS colourMidnight blue (#191970)ΔE 7.4, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B5001
Analogous#01395B, #23015B
Triadic#5B010C, #0C5B01
Split complementary#5B2301, #395B01
Tetradic#5B0139, #5B5001, #015B23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B45FD
Lighter +30%#0320F2
Lighter +20%#0219C0
Lighter +10%#02138D
Darker −10%#000529
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000B5C
Less saturated −25%#0C1550

Channel breakdown

R1
G12
B91
Red1 (0.4%)
Green12 (4.7%)
Blue91 (35.7%)
Hue232.67°
Saturation (HSL)97.83%
Lightness18.04%
Dominant channelBlue
Hex per channelR 01 · G 0C · B 5B

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Every value on this page was computed from “010c5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.