Nerdulator> put something in

Recognised as Colour

#033A78

  • #033A78
  • Blue
  • Dark
  • Nearest: Dark slateblue

#033A78 is a blue with RGB values 3, 58, 120 and HSL 212°, 95%, 24%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033A78#033A78
HEX#033A78
RGBrgb(3, 58, 120)
RGB (0–1)0.0118, 0.2275, 0.4706
RGB percentages1.2%, 22.7%, 47.1%
HSLhsl(211.8, 95.1%, 24.1%)
HSV / HSBhsv(211.8, 97.5%, 47.1%)
CMYK97.5%, 51.7%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,576
CSS custom property--colour: #033A78;

Brightness & contrast

Relative luminance0.04402WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.17:1
Contrast with white11.17:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FCC587

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#12407Ano red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#003777no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#004953no blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.17:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.2Midnight blue · ΔE 25.4Steel blue · ΔE 31.9Rebecca purple · ΔE 34.5Slate blue · ΔE 37.6Royal blue · ΔE 37.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#784103
Analogous#037478, #070378
Triadic#78033A, #3A7803
Split complementary#780703, #747803
Tetradic#780374, #784103, #037807

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4C9EFB
Lighter +30%#1B83F9
Lighter +20%#056ADC
Lighter +10%#0452AA
Darker −10%#022246
Darker −20%#010A14
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003A7B
Less saturated −25%#123B69

Channel breakdown

R3
G58
B120
Red3 (1.2%)
Green58 (22.7%)
Blue120 (47.1%)
Hue211.79°
Saturation (HSL)95.12%
Lightness24.12%
Dominant channelBlue
Hex per channelR 03 · G 3A · B 78

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 “033a78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.