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Recognised as Colour

#021031

  • #021031
  • Blue
  • Dark
  • Nearest: Black

#021031 is a blue with RGB values 2, 16, 49 and HSL 222°, 92%, 10%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#021031#021031
HEX#021031
RGBrgb(2, 16, 49)
RGB (0–1)0.0078, 0.0627, 0.1922
RGB percentages0.8%, 6.3%, 19.2%
HSLhsl(222.1, 92.2%, 10%)
HSV / HSBhsv(222.1, 95.9%, 19.2%)
CMYK95.9%, 67.3%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer135,217
CSS custom property--colour: #021031;

Brightness & contrast

Relative luminance0.00605WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.73:1
Contrast with white18.73:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FDEFCE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001432no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#001030no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#00181Eno blue cones; rare, and affects men and women equally; ΔE 21.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.73:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 25.1Dark slateblue · ΔE 36.5Midnight blue · ΔE 37.1Dark slate grey · ΔE 37.8Dim grey · ΔE 46Steel blue · ΔE 49.3
Nearest named CSS colourBlack (#000000)ΔE 25.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#312302
Analogous#022731, #0C0231
Triadic#310210, #103102
Split complementary#310C02, #273102
Tetradic#310227, #312302, #02310C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0A50F5
Lighter +30%#0840C4
Lighter +20%#063093
Lighter +10%#042062
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000F33
Less saturated −25%#08132B

Channel breakdown

R2
G16
B49
Red2 (0.8%)
Green16 (6.3%)
Blue49 (19.2%)
Hue222.13°
Saturation (HSL)92.16%
Lightness10%
Dominant channelBlue
Hex per channelR 02 · G 10 · B 31

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Every value on this page was computed from “hex 021031” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.