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Colour

#2D3E63

  • #2D3E63
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2D3E63 is a blue with RGB values 45, 62, 99 and HSL 221°, 38%, 28%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D3E63#2D3E63
HEX#2D3E63
RGBrgb(45, 62, 99)
RGB (0–1)0.1765, 0.2431, 0.3882
RGB percentages17.6%, 24.3%, 38.8%
HSLhsl(221.1, 37.5%, 28.2%)
HSV / HSBhsv(221.1, 54.5%, 38.8%)
CMYK54.5%, 37.4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,965,091
CSS custom property--colour: #2D3E63;

Brightness & contrast

Relative luminance0.04904WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.6:1
Contrast with white10.6:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D2C19C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#304165no red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#293C62no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#14464Cno blue cones; rare, and affects men and women equally; ΔE 24.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.6:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.7Dark slateblue · ΔE 28.1Steel blue · ΔE 28.8Dim grey · ΔE 30.4Slate grey · ΔE 30.4Light slate grey · ΔE 33
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63522D
Analogous#2D5963, #372D63
Triadic#632D3E, #3E632D
Split complementary#63372D, #59632D
Tetradic#632D59, #63522D, #2D6337

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90A3CC
Lighter +30%#6D86BC
Lighter +20%#4D6AA9
Lighter +10%#3D5486
Darker −10%#1D2840
Darker −20%#0D121D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B3775
Less saturated −25%#3F4551

Channel breakdown

R45
G62
B99
Red45 (17.6%)
Green62 (24.3%)
Blue99 (38.8%)
Hue221.11°
Saturation (HSL)37.5%
Lightness28.24%
Dominant channelBlue
Hex per channelR 2D · G 3E · B 63

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Every value on this page was computed from “2d3e63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.