Nerdulator> put something in

Recognised as Colour

#021B97

  • #021B97
  • Blue
  • Dark
  • Nearest: Navy

#021B97 is a blue with RGB values 2, 27, 151 and HSL 230°, 97%, 30%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#021B97#021B97
HEX#021B97
RGBrgb(2, 27, 151)
RGB (0–1)0.0078, 0.1059, 0.5922
RGB percentages0.8%, 10.6%, 59.2%
HSLhsl(229.9, 97.4%, 30%)
HSV / HSBhsv(229.9, 98.7%, 59.2%)
CMYK98.7%, 82.1%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer138,135
CSS custom property--colour: #021B97;

Brightness & contrast

Relative luminance0.03031WCAG 2.x, 0 is black and 1 is white
Perceived brightness55 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.07:1
Contrast with white13.07:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FDE468

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00389Ano red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#002995no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#00435Ano blue cones; rare, and affects men and women equally; ΔE 71.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.07:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Navy · ΔE 8.7Dark blue · ΔE 9.1Indigo · ΔE 16.2Midnight blue · ΔE 21.4Rebecca purple · ΔE 23.7Slate blue · ΔE 27.8
Nearest named CSS colourNavy (#000080)ΔE 8.72, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#977E02
Analogous#026597, #340297
Triadic#97021B, #1B9702
Split complementary#973402, #669702
Tetradic#970265, #977E02, #029734

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6881FD
Lighter +30%#3657FC
Lighter +20%#032DFC
Lighter +10%#0324C9
Darker −10%#011265
Darker −20%#010932
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001A99
Less saturated −25%#152884

Channel breakdown

R2
G27
B151
Red2 (0.8%)
Green27 (10.6%)
Blue151 (59.2%)
Hue229.93°
Saturation (HSL)97.39%
Lightness30%
Dominant channelBlue
Hex per channelR 02 · G 1B · B 97

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 “021b97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.