Nerdulator> put something in

Recognised as Colour

#121C78

  • #121C78
  • Blue
  • Dark
  • Nearest: Midnight blue

#121C78 is a blue with RGB values 18, 28, 120 and HSL 234°, 74%, 27%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#121C78#121C78
HEX#121C78
RGBrgb(18, 28, 120)
RGB (0–1)0.0706, 0.1098, 0.4706
RGB percentages7.1%, 11%, 47.1%
HSLhsl(234.1, 73.9%, 27.1%)
HSV / HSBhsv(234.1, 85%, 47.1%)
CMYK85%, 76.7%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,186,936
CSS custom property--colour: #121C78;

Brightness & contrast

Relative luminance0.02315WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.35:1
Contrast with white14.35:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#EDE387

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F7Bno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#002576no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#003748no blue cones; rare, and affects men and women equally; ΔE 56.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.35:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 3.4Dark slateblue · ΔE 18.5Indigo · ΔE 19.8Navy · ΔE 19.8Rebecca purple · ΔE 19.9Dark blue · ΔE 24.3
Nearest named CSS colourMidnight blue (#191970)ΔE 3.44, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#786E12
Analogous#124F78, #3B1278
Triadic#78121C, #1C7812
Split complementary#783B12, #4F7812
Tetradic#78124F, #786E12, #12783B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D79E9
Lighter +30%#4150E2
Lighter +20%#1F31D1
Lighter +10%#1926A4
Darker −10%#0B124C
Darker −20%#05071F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010E89
Less saturated −25%#232A67

Channel breakdown

R18
G28
B120
Red18 (7.1%)
Green28 (11%)
Blue120 (47.1%)
Hue234.12°
Saturation (HSL)73.91%
Lightness27.06%
Dominant channelBlue
Hex per channelR 12 · G 1C · 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 “121c78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.