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Recognised as Colour

#033BFF

  • #033BFF
  • Blue
  • Dark
  • Nearest: Medium blue

#033BFF is a blue with RGB values 3, 59, 255 and HSL 227°, 100%, 51%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#033BFF#033BFF
HEX#033BFF
RGBrgb(3, 59, 255)
RGB (0–1)0.0118, 0.2314, 1
RGB percentages1.2%, 23.1%, 100%
HSLhsl(226.7, 100%, 50.6%)
HSV / HSBhsv(226.7, 98.8%, 100%)
CMYK98.8%, 76.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,967
CSS custom property--colour: #033BFF;

Brightness & contrast

Relative luminance0.10367WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.83:1
Contrast with white6.83:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#FCC400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066FFno red cones; affects about 1% of men; ΔE 31.4 from the original
Deuteranopia#004EFCno green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#00789Cno blue cones; rare, and affects men and women equally; ΔE 103.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.83:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium blue · ΔE 16.1Blue · ΔE 22Blue violet · ΔE 24.8Dark violet · ΔE 31.3Dark orchid · ΔE 38Dark blue · ΔE 38.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC703
Analogous#03B9FF, #4903FF
Triadic#FF033B, #3BFF03
Split complementary#FF4903, #B9FF03
Tetradic#FF03B9, #FFC703, #03FF49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFDAFF
Lighter +30%#9CB2FF
Lighter +20%#698AFF
Lighter +10%#3663FF
Darker −10%#002ECF
Darker −20%#00239C
Darker −30%#001769
Darker −40%#000C36
More saturated +25%#033BFF
Less saturated −25%#224DE0

Channel breakdown

R3
G59
B255
Red3 (1.2%)
Green59 (23.1%)
Blue255 (100%)
Hue226.67°
Saturation (HSL)100%
Lightness50.59%
Dominant channelBlue
Hex per channelR 03 · G 3B · B FF

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Every value on this page was computed from “033bff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.