Nerdulator> put something in

Colour

#275BB4

  • #275BB4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#275BB4 is a blue with RGB values 39, 91, 180 and HSL 218°, 64%, 43%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#275BB4#275BB4
HEX#275BB4
RGBrgb(39, 91, 180)
RGB (0–1)0.1529, 0.3569, 0.7059
RGB percentages15.3%, 35.7%, 70.6%
HSLhsl(217.9, 64.4%, 42.9%)
HSV / HSBhsv(217.9, 78.3%, 70.6%)
CMYK78.3%, 49.4%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,579,380
CSS custom property--colour: #275BB4;

Brightness & contrast

Relative luminance0.11209WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#D8A44B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2665B7no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#0058B2no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00707Fno blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.3Royal blue · ΔE 18.8Slate blue · ΔE 22.1Cornflower blue · ΔE 23Dodgerblue · ΔE 23.1Medium purple · ΔE 26.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B48027
Analogous#27A2B4, #3927B4
Triadic#B4275B, #5BB427
Split complementary#B43927, #A2B427
Tetradic#B427A2, #B48027, #27B439

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7CCF0
Lighter +30%#8EAEE6
Lighter +20%#6491DD
Lighter +10%#3A73D4
Darker −10%#1E468A
Darker −20%#153160
Darker −30%#0C1B36
Darker −40%#03060C
More saturated +25%#0C54CF
Less saturated −25%#426299

Channel breakdown

R39
G91
B180
Red39 (15.3%)
Green91 (35.7%)
Blue180 (70.6%)
Hue217.87°
Saturation (HSL)64.38%
Lightness42.94%
Dominant channelBlue
Hex per channelR 27 · G 5B · B B4

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “275bb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.