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Colour

#0238A3

  • #0238A3
  • Blue
  • Dark
  • Nearest: Midnight blue

#0238A3 is a blue with RGB values 2, 56, 163 and HSL 220°, 98%, 32%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0238A3#0238A3
HEX#0238A3
RGBrgb(2, 56, 163)
RGB (0–1)0.0078, 0.2196, 0.6392
RGB percentages0.8%, 22%, 63.9%
HSLhsl(219.9, 97.6%, 32.4%)
HSV / HSBhsv(219.9, 98.8%, 63.9%)
CMYK98.8%, 65.6%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer145,571
CSS custom property--colour: #0238A3;

Brightness & contrast

Relative luminance0.05486WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.01:1
Contrast with white10.01:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FDC75C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049A6no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#003BA1no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#005568no blue cones; rare, and affects men and women equally; ΔE 62.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.01:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.1Slate blue · ΔE 18.8Dark slateblue · ΔE 19.8Rebecca purple · ΔE 20.1Royal blue · ΔE 20.4Navy · ΔE 23.7
Nearest named CSS colourMidnight blue (#191970)ΔE 17.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A36D02
Analogous#0288A3, #1C02A3
Triadic#A30238, #38A302
Split complementary#A31D02, #88A302
Tetradic#A30289, #A36D02, #02A31D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#74A2FD
Lighter +30%#4180FD
Lighter +20%#0F5EFC
Lighter +10%#0349D5
Darker −10%#012771
Darker −20%#01153E
Darker −30%#00040C
Darker −40%#000000
More saturated +25%#0037A5
Less saturated −25%#173F8E

Channel breakdown

R2
G56
B163
Red2 (0.8%)
Green56 (22%)
Blue163 (63.9%)
Hue219.88°
Saturation (HSL)97.58%
Lightness32.35%
Dominant channelBlue
Hex per channelR 02 · G 38 · B A3

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Every value on this page was computed from “0238a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.