Nerdulator> put something in

Colour

#255AA7

  • #255AA7
  • Blue
  • Dark
  • Nearest: Dark slateblue

#255AA7 is a blue with RGB values 37, 90, 167 and HSL 216°, 64%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#255AA7#255AA7
HEX#255AA7
RGBrgb(37, 90, 167)
RGB (0–1)0.1451, 0.3529, 0.6549
RGB percentages14.5%, 35.3%, 65.5%
HSLhsl(215.5, 63.7%, 40%)
HSV / HSBhsv(215.5, 77.8%, 65.5%)
CMYK77.8%, 46.1%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,448,039
CSS custom property--colour: #255AA7;

Brightness & contrast

Relative luminance0.10496WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.78:1
Contrast with white6.78:1WCAG normal text: AA
Contrast with black3.1:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#DAA558

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3162AAno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#1356A5no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#006C78no blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.78:1WCAG large text: AAA
Contrast with black, large text3.1:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.8Cornflower blue · ΔE 23.4Steel blue · ΔE 24.7Royal blue · ΔE 26.1Dodgerblue · ΔE 26.7Slate blue · ΔE 28.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A77225
Analogous#259BA7, #3125A7
Triadic#A7255A, #5AA725
Split complementary#A73125, #9BA725
Tetradic#A7259B, #A77225, #25A731

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC6ED
Lighter +30%#82AAE3
Lighter +20%#588DDA
Lighter +10%#2E70D1
Darker −10%#1C437D
Darker −20%#132D54
Darker −30%#09162A
Darker −40%#000000
More saturated +25%#0C55C1
Less saturated −25%#3F5F8E

Channel breakdown

R37
G90
B167
Red37 (14.5%)
Green90 (35.3%)
Blue167 (65.5%)
Hue215.54°
Saturation (HSL)63.73%
Lightness40%
Dominant channelBlue
Hex per channelR 25 · G 5A · B A7

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 “255aa7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.