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Recognised as Colour

#230F6B

  • #230F6B
  • Blue
  • Dark
  • Nearest: Midnight blue

#230F6B is a blue with RGB values 35, 15, 107 and HSL 253°, 75%, 24%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#230F6B#230F6B
HEX#230F6B
RGBrgb(35, 15, 107)
RGB (0–1)0.1373, 0.0588, 0.4196
RGB percentages13.7%, 5.9%, 42%
HSLhsl(253, 75.4%, 23.9%)
HSV / HSBhsv(253, 86%, 42%)
CMYK67.3%, 86%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,297,707
CSS custom property--colour: #230F6B;

Brightness & contrast

Relative luminance0.01761WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.53:1
Contrast with white15.53:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#DCF094

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00276Dno red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#002169no green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#002C3Eno blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.53:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.1Indigo · ΔE 16.9Navy · ΔE 19.1Rebecca purple · ΔE 19.9Dark slateblue · ΔE 20.9Dark blue · ΔE 24
Nearest named CSS colourMidnight blue (#191970)ΔE 5.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#576B0F
Analogous#0F296B, #510F6B
Triadic#6B230F, #0F6B23
Split complementary#6B510F, #296B0F
Tetradic#6B0F29, #576B0F, #0F6B51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7C5EE8
Lighter +30%#5731E2
Lighter +20%#401CC4
Lighter +10%#321598
Darker −10%#14093E
Darker −20%#060212
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B007A
Less saturated −25%#2C1E5C

Channel breakdown

R35
G15
B107
Red35 (13.7%)
Green15 (5.9%)
Blue107 (42%)
Hue253.04°
Saturation (HSL)75.41%
Lightness23.92%
Dominant channelBlue
Hex per channelR 23 · G 0F · B 6B

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Every value on this page was computed from “230f6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.