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Recognised as Colour

#021B65

  • #021B65
  • Blue
  • Dark
  • Nearest: Midnight blue

#021B65 is a blue with RGB values 2, 27, 101 and HSL 225°, 96%, 20%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#021B65#021B65
HEX#021B65
RGBrgb(2, 27, 101)
RGB (0–1)0.0078, 0.1059, 0.3961
RGB percentages0.8%, 10.6%, 39.6%
HSLhsl(224.8, 96.1%, 20.2%)
HSV / HSBhsv(224.8, 98%, 39.6%)
CMYK98%, 73.3%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer138,085
CSS custom property--colour: #021B65;

Brightness & contrast

Relative luminance0.01736WCAG 2.x, 0 is black and 1 is white
Perceived brightness39.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.59:1
Contrast with white15.59:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FDE49A

Colour vision & accessibility

Protanopia#002867no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#001F64no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#00303Dno blue cones; rare, and affects men and women equally; ΔE 47.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.59:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Nearest named CSS colourMidnight blue (#191970)ΔE 8.68, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#654C02
Analogous#024C65, #1B0265
Triadic#65021B, #1B6502
Split complementary#651B02, #4C6502
Tetradic#65024C, #654C02, #02651B

Tints, shades & saturation

Lighter +40%#3869FB
Lighter +30%#0644FA
Lighter +20%#0436C9
Lighter +10%#032897
Darker −10%#010E33
Darker −20%#000001
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001A67
Less saturated −25%#0F2158

Channel breakdown

R2
G27
B101
Red2 (0.8%)
Green27 (10.6%)
Blue101 (39.6%)
Hue224.85°
Saturation (HSL)96.12%
Lightness20.2%
Dominant channelBlue
Hex per channelR 02 · G 1B · B 65

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Every value on this page was computed from “021b65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.