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Recognised as Colour

#488CB1

  • #488CB1
  • Blue
  • Dark
  • Nearest: Steel blue

#488CB1 is a blue with RGB values 72, 140, 177 and HSL 201°, 42%, 49%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#488CB1#488CB1
HEX#488CB1
RGBrgb(72, 140, 177)
RGB (0–1)0.2824, 0.549, 0.6941
RGB percentages28.2%, 54.9%, 69.4%
HSLhsl(201.1, 42.2%, 48.8%)
HSV / HSBhsv(201.1, 59.3%, 69.4%)
CMYK59.3%, 20.9%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,754,609
CSS custom property--colour: #488CB1;

Brightness & contrast

Relative luminance0.23308WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#B7734E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A8BB3no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#6C80B0no green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#009698no blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.4Light slate grey · ΔE 16.9Slate grey · ΔE 17.6Cadetblue · ΔE 21.5Light skyblue · ΔE 24.5Sky blue · ΔE 24.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.36, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B16D48
Analogous#48B1A1, #4858B1
Triadic#B1488C, #8CB148
Split complementary#B14858, #B1A148
Tetradic#A148B1, #B16D48, #58B148

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6E6EF
Lighter +30%#B2D0E0
Lighter +20%#8EB9D1
Lighter +10%#6AA3C2
Darker −10%#396F8D
Darker −20%#2B5368
Darker −30%#1C3644
Darker −40%#0D1920
More saturated +25%#2995D0
Less saturated −25%#678392

Channel breakdown

R72
G140
B177
Red72 (28.2%)
Green140 (54.9%)
Blue177 (69.4%)
Hue201.14°
Saturation (HSL)42.17%
Lightness48.82%
Dominant channelBlue
Hex per channelR 48 · G 8C · B B1

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Every value on this page was computed from “488cb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.