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Recognised as Colour

#155C98

  • #155C98
  • Blue
  • Dark
  • Nearest: Steel blue

#155C98 is a blue with RGB values 21, 92, 152 and HSL 207°, 76%, 34%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#155C98#155C98
HEX#155C98
RGBrgb(21, 92, 152)
RGB (0–1)0.0824, 0.3608, 0.5961
RGB percentages8.2%, 36.1%, 59.6%
HSLhsl(207.5, 75.7%, 33.9%)
HSV / HSBhsv(207.5, 86.2%, 59.6%)
CMYK86.2%, 39.5%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,399,960
CSS custom property--colour: #155C98;

Brightness & contrast

Relative luminance0.10081WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.96:1
Contrast with white6.96:1WCAG normal text: AA
Contrast with black3.02:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#EAA367

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F609Ano red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#2A5497no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#006A72no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.96:1WCAG large text: AAA
Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Steel blue · ΔE 16.9Dark slateblue · ΔE 25.5Cornflower blue · ΔE 27.3Slate grey · ΔE 32Light slate grey · ΔE 33.1Dodgerblue · ΔE 33.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#985115
Analogous#159893, #151B98
Triadic#98155C, #5C9815
Split complementary#98151B, #989215
Tetradic#921598, #985115, #1B9815

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8AC1EF
Lighter +30%#5DA9E9
Lighter +20%#3191E2
Lighter +10%#1B77C5
Darker −10%#0F416B
Darker −20%#09263E
Darker −30%#020B12
Darker −40%#000000
More saturated +25%#005EAD
Less saturated −25%#2B5A82

Channel breakdown

R21
G92
B152
Red21 (8.2%)
Green92 (36.1%)
Blue152 (59.6%)
Hue207.48°
Saturation (HSL)75.72%
Lightness33.92%
Dominant channelBlue
Hex per channelR 15 · G 5C · B 98

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Every value on this page was computed from “155c98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.