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Recognised as Colour

#275F99

  • #275F99
  • Blue
  • Dark
  • Nearest: Steel blue

#275F99 is a blue with RGB values 39, 95, 153 and HSL 211°, 59%, 38%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#275F99#275F99
HEX#275F99
RGBrgb(39, 95, 153)
RGB (0–1)0.1529, 0.3725, 0.6
RGB percentages15.3%, 37.3%, 60%
HSLhsl(210.5, 59.4%, 37.6%)
HSV / HSBhsv(210.5, 74.5%, 60%)
CMYK74.5%, 37.9%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,580,377
CSS custom property--colour: #275F99;

Brightness & contrast

Relative luminance0.10916WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.6:1
Contrast with white6.6:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#D8A066

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44639Bno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#335898no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#006D74no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.6:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.3Dark slateblue · ΔE 25.8Cornflower blue · ΔE 26.6Slate grey · ΔE 29.9Light slate grey · ΔE 31Dodgerblue · ΔE 34
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#996127
Analogous#279899, #282799
Triadic#99275F, #5F9927
Split complementary#992827, #989927
Tetradic#992798, #996127, #279928

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4C5E8
Lighter +30%#7CACDD
Lighter +20%#5392D3
Lighter +10%#3178C2
Darker −10%#1D4670
Darker −20%#122D48
Darker −30%#08131F
Darker −40%#000000
More saturated +25%#0F5FB1
Less saturated −25%#3F5F81

Channel breakdown

R39
G95
B153
Red39 (15.3%)
Green95 (37.3%)
Blue153 (60%)
Hue210.53°
Saturation (HSL)59.38%
Lightness37.65%
Dominant channelBlue
Hex per channelR 27 · G 5F · B 99

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Every value on this page was computed from “275f99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.