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Colour

#030A58

  • #030A58
  • Blue
  • Dark
  • Nearest: Midnight blue

#030A58 is a blue with RGB values 3, 10, 88 and HSL 235°, 93%, 18%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#030A58#030A58
HEX#030A58
RGBrgb(3, 10, 88)
RGB (0–1)0.0118, 0.0392, 0.3451
RGB percentages1.2%, 3.9%, 34.5%
HSLhsl(235.1, 93.4%, 17.8%)
HSV / HSBhsv(235.1, 96.6%, 34.5%)
CMYK96.6%, 88.6%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,256
CSS custom property--colour: #030A58;

Brightness & contrast

Relative luminance0.00941WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.67:1
Contrast with white17.67:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FCF5A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D5Ano red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#001457no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#002332no blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.67:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.4Dark slateblue · ΔE 23.1Indigo · ΔE 25.6Navy · ΔE 25.9Rebecca purple · ΔE 27.5Dark blue · ΔE 31
Nearest named CSS colourMidnight blue (#191970)ΔE 8.36, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#585103
Analogous#033558, #260358
Triadic#58030A, #0A5803
Split complementary#582703, #355803
Tetradic#580335, #585103, #035826

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2F40F8
Lighter +30%#081BEC
Lighter +20%#0615BB
Lighter +10%#051089
Darker −10%#010427
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00075B
Less saturated −25%#0E144D

Channel breakdown

R3
G10
B88
Red3 (1.2%)
Green10 (3.9%)
Blue88 (34.5%)
Hue235.06°
Saturation (HSL)93.41%
Lightness17.84%
Dominant channelBlue
Hex per channelR 03 · G 0A · B 58

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Every value on this page was computed from “030a58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.