Nerdulator> put something in

Recognised as Colour

#021428

  • #021428
  • Blue
  • Dark
  • Nearest: Black

#021428 is a blue with RGB values 2, 20, 40 and HSL 212°, 90%, 8%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#021428#021428
HEX#021428
RGBrgb(2, 20, 40)
RGB (0–1)0.0078, 0.0784, 0.1569
RGB percentages0.8%, 7.8%, 15.7%
HSLhsl(211.6, 90.5%, 8.2%)
HSV / HSBhsv(211.6, 95%, 15.7%)
CMYK95%, 50%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer136,232
CSS custom property--colour: #021428;

Brightness & contrast

Relative luminance0.00666WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.53:1
Contrast with white18.53:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FDEBD7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A1529no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#051228no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#00191Cno blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.53:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 16.8Dark slate grey · ΔE 30.7Dim grey · ΔE 41.5Dark slateblue · ΔE 44Midnight blue · ΔE 46.8Slate grey · ΔE 47.2
Nearest named CSS colourBlack (#000000)ΔE 16.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#281602
Analogous#022728, #030228
Triadic#280214, #142802
Split complementary#280302, #272802
Tetradic#280227, #281602, #022803

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0C75EA
Lighter +30%#095DBA
Lighter +20%#074589
Lighter +10%#042C59
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00142A
Less saturated −25%#071423

Channel breakdown

R2
G20
B40
Red2 (0.8%)
Green20 (7.8%)
Blue40 (15.7%)
Hue211.58°
Saturation (HSL)90.48%
Lightness8.24%
Dominant channelBlue
Hex per channelR 02 · G 14 · B 28

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 “hex 021428” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.