Nerdulator> put something in

Recognised as Colour

#001289

  • #001289
  • Blue
  • Dark
  • Nearest: Navy

#001289 is a blue with RGB values 0, 18, 137 and HSL 232°, 100%, 27%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#001289#001289
HEX#001289
RGBrgb(0, 18, 137)
RGB (0–1)0, 0.0706, 0.5373
RGB percentages0%, 7.1%, 53.7%
HSLhsl(232.1, 100%, 26.9%)
HSV / HSBhsv(232.1, 100%, 53.7%)
CMYK100%, 86.9%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,745
CSS custom property--colour: #001289;

Brightness & contrast

Relative luminance0.02239WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.51:1
Contrast with white14.51:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#FFED76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00308Cno red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#002287no green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#003A50no blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.51:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Navy · ΔE 5.9Dark blue · ΔE 8.9Indigo · ΔE 14.4Midnight blue · ΔE 18.5Rebecca purple · ΔE 23.5Slate blue · ΔE 30.2
Nearest named CSS colourNavy (#000080)ΔE 5.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#897700
Analogous#005789, #320089
Triadic#890012, #128900
Split complementary#893200, #578900
Tetradic#890057, #897700, #008932

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#566CFF
Lighter +30%#2340FF
Lighter +20%#001FEF
Lighter +10%#0019BC
Darker −10%#000B56
Darker −20%#000523
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001289
Less saturated −25%#111F78

Channel breakdown

R0
G18
B137
Red0 (0%)
Green18 (7.1%)
Blue137 (53.7%)
Hue232.12°
Saturation (HSL)100%
Lightness26.86%
Dominant channelBlue
Hex per channelR 00 · G 12 · B 89

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 001289” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.