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Recognised as Colour

#616B88

  • #616B88
  • Blue
  • Dark
  • Nearest: Slate grey

#616B88 is a blue with RGB values 97, 107, 136 and HSL 225°, 17%, 46%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#616B88#616B88
HEX#616B88
RGBrgb(97, 107, 136)
RGB (0–1)0.3804, 0.4196, 0.5333
RGB percentages38%, 42%, 53.3%
HSLhsl(224.6, 16.7%, 45.7%)
HSV / HSBhsv(224.6, 28.7%, 53.3%)
CMYK28.7%, 21.3%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,384,520
CSS custom property--colour: #616B88;

Brightness & contrast

Relative luminance0.14834WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.29:1
Contrast with white5.29:1WCAG normal text: AA
Contrast with black3.97:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#9E9477

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#626D89no red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#5F6A87no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#577175no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.29:1WCAG large text: AAA
Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Slate grey · ΔE 11.3Light slate grey · ΔE 13.4Dim grey · ΔE 17.6Steel blue · ΔE 18.1Gray · ΔE 19.3Dark slate grey · ΔE 24.6
Nearest named CSS colourSlate grey (#708090)ΔE 11.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#887E61
Analogous#617E88, #6A6188
Triadic#88616B, #6B8861
Split complementary#886B61, #7E8861
Tetradic#88617F, #887E61, #61886B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4D8E1
Lighter +30%#B7BCCB
Lighter +20%#99A0B6
Lighter +10%#7B85A1
Darker −10%#4C546A
Darker −20%#373C4C
Darker −30%#21252F
Darker −40%#0C0D11
More saturated +25%#445DA5
Less saturated −25%#757575

Channel breakdown

R97
G107
B136
Red97 (38%)
Green107 (42%)
Blue136 (53.3%)
Hue224.62°
Saturation (HSL)16.74%
Lightness45.69%
Dominant channelBlue
Hex per channelR 61 · G 6B · B 88

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Every value on this page was computed from “616b88” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.