Nerdulator> put something in

Recognised as Colour

#030CB3

  • #030CB3
  • Blue
  • Dark
  • Nearest: Medium blue

#030CB3 is a blue with RGB values 3, 12, 179 and HSL 237°, 97%, 36%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#030CB3#030CB3
HEX#030CB3
RGBrgb(3, 12, 179)
RGB (0–1)0.0118, 0.0471, 0.702
RGB percentages1.2%, 4.7%, 70.2%
HSLhsl(236.9, 96.7%, 35.7%)
HSV / HSBhsv(236.9, 98.3%, 70.2%)
CMYK98.3%, 93.3%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,859
CSS custom property--colour: #030CB3;

Brightness & contrast

Relative luminance0.03537WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.3:1
Contrast with white12.3:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#FCF34C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003EB7no red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#002BB1no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#004B68no blue cones; rare, and affects men and women equally; ΔE 88.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.3:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.4Dark blue · ΔE 16.1Navy · ΔE 21.3Blue violet · ΔE 24.3Dark violet · ΔE 27.6Indigo · ΔE 28.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B3AA03
Analogous#0364B3, #5203B3
Triadic#B3030C, #0CB303
Split complementary#B35203, #64B303
Tetradic#B30364, #B3AA03, #03B352

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#858BFD
Lighter +30%#535CFC
Lighter +20%#212CFB
Lighter +10%#040FE5
Darker −10%#020981
Darker −20%#01054F
Darker −30%#00021D
Darker −40%#000000
More saturated +25%#0009B6
Less saturated −25%#1A209C

Channel breakdown

R3
G12
B179
Red3 (1.2%)
Green12 (4.7%)
Blue179 (70.2%)
Hue236.93°
Saturation (HSL)96.7%
Lightness35.69%
Dominant channelBlue
Hex per channelR 03 · G 0C · B B3

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “030cb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.