Nerdulator> put something in

Colour

#538AA9

  • #538AA9
  • Blue
  • Dark
  • Nearest: Steel blue

#538AA9 is a blue with RGB values 83, 138, 169 and HSL 202°, 34%, 49%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#538AA9#538AA9
HEX#538AA9
RGBrgb(83, 138, 169)
RGB (0–1)0.3255, 0.5412, 0.6627
RGB percentages32.5%, 54.1%, 66.3%
HSLhsl(201.6, 34.1%, 49.4%)
HSV / HSBhsv(201.6, 50.9%, 66.3%)
CMYK50.9%, 18.3%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,474,985
CSS custom property--colour: #538AA9;

Brightness & contrast

Relative luminance0.22881WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#AC7556

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B89ABno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#6F7FA9no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#259294no blue cones; rare, and affects men and women equally; ΔE 22.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.7Light slate grey · ΔE 13Slate grey · ΔE 13.7Cadetblue · ΔE 18.9Gray · ΔE 23.9Teal · ΔE 24.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A97253
Analogous#53A99D, #535FA9
Triadic#A9538A, #8AA953
Split complementary#A9535F, #A99D53
Tetradic#9D53A9, #A97253, #5FA953

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBE7ED
Lighter +30%#B9D0DC
Lighter +20%#96B8CC
Lighter +10%#74A1BB
Darker −10%#426E87
Darker −20%#315265
Darker −30%#213642
Darker −40%#101A20
More saturated +25%#3493C9
Less saturated −25%#73818A

Channel breakdown

R83
G138
B169
Red83 (32.5%)
Green138 (54.1%)
Blue169 (66.3%)
Hue201.63°
Saturation (HSL)34.13%
Lightness49.41%
Dominant channelBlue
Hex per channelR 53 · G 8A · B A9

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 “538aa9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.