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Recognised as Colour

#2D4043

  • #2D4043
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2D4043 is a cyan with RGB values 45, 64, 67 and HSL 188°, 20%, 22%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D4043#2D4043
HEX#2D4043
RGBrgb(45, 64, 67)
RGB (0–1)0.1765, 0.251, 0.2627
RGB percentages17.6%, 25.1%, 26.3%
HSLhsl(188.2, 19.6%, 22%)
HSV / HSBhsv(188.2, 32.8%, 26.3%)
CMYK32.8%, 4.5%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,965,571
CSS custom property--colour: #2D4043;

Brightness & contrast

Relative luminance0.0463WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.9:1
Contrast with white10.9:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D2BFBC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3E43no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#393C43no green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#264241no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.9:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.6Dim grey · ΔE 20.4Black · ΔE 26.8Slate grey · ΔE 28.3Gray · ΔE 29Light slate grey · ΔE 31.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.57, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43302D
Analogous#2D433B, #2D3543
Triadic#432D40, #40432D
Split complementary#432D35, #433B2D
Tetradic#3B2D43, #43302D, #35432D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BACB1
Lighter +30%#6C969D
Lighter +20%#567A80
Lighter +10%#415D62
Darker −10%#192324
Darker −20%#040606
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F4A51
Less saturated −25%#383838

Channel breakdown

R45
G64
B67
Red45 (17.6%)
Green64 (25.1%)
Blue67 (26.3%)
Hue188.18°
Saturation (HSL)19.64%
Lightness21.96%
Dominant channelBlue
Hex per channelR 2D · G 40 · B 43

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Every value on this page was computed from “2d4043” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.