Nerdulator> put something in

Recognised as Colour

#121C38

  • #121C38
  • Blue
  • Dark
  • Nearest: Black

#121C38 is a blue with RGB values 18, 28, 56 and HSL 224°, 51%, 15%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121C38#121C38
HEX#121C38
RGBrgb(18, 28, 56)
RGB (0–1)0.0706, 0.1098, 0.2196
RGB percentages7.1%, 11%, 22%
HSLhsl(224.2, 51.4%, 14.5%)
HSV / HSBhsv(224.2, 67.9%, 22%)
CMYK67.9%, 50%, 0%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,186,872
CSS custom property--colour: #121C38;

Brightness & contrast

Relative luminance0.01245WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.81:1
Contrast with white16.81:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#EDE3C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#101F39no red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#0B1C37no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#002227no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.81:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 23.2Dark slate grey · ΔE 31.4Dark slateblue · ΔE 36.1Dim grey · ΔE 39.3Midnight blue · ΔE 39.7Slate grey · ΔE 43.7
Nearest named CSS colourBlack (#000000)ΔE 23.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#382E12
Analogous#122F38, #1B1238
Triadic#38121C, #1C3812
Split complementary#381B12, #2F3812
Tetradic#38122F, #382E12, #12381B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4F6FC7
Lighter +30%#3756AC
Lighter +20%#2B4385
Lighter +10%#1E2F5F
Darker −10%#060911
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#091841
Less saturated −25%#1B202F

Channel breakdown

R18
G28
B56
Red18 (7.1%)
Green28 (11%)
Blue56 (22%)
Hue224.21°
Saturation (HSL)51.35%
Lightness14.51%
Dominant channelBlue
Hex per channelR 12 · G 1C · B 38

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 “121c38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.