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Recognised as Colour

#658CC1

  • #658CC1
  • Blue
  • Dark
  • Nearest: Steel blue

#658CC1 is a blue with RGB values 101, 140, 193 and HSL 215°, 43%, 58%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#658CC1#658CC1
HEX#658CC1
RGBrgb(101, 140, 193)
RGB (0–1)0.3961, 0.549, 0.7569
RGB percentages39.6%, 54.9%, 75.7%
HSLhsl(214.6, 42.6%, 57.6%)
HSV / HSBhsv(214.6, 47.7%, 75.7%)
CMYK47.7%, 27.5%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,655,169
CSS custom property--colour: #658CC1;

Brightness & contrast

Relative luminance0.25373WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#9A733E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#788FC3no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#6D86C0no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#3E989Eno blue cones; rare, and affects men and women equally; ΔE 32.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.2Cornflower blue · ΔE 19.9Light slate grey · ΔE 21Slate grey · ΔE 21.9Light skyblue · ΔE 25.5Deep skyblue · ΔE 26.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.19, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C19A65
Analogous#65BAC1, #6C65C1
Triadic#C1658C, #8CC165
Split complementary#C16C65, #BAC165
Tetradic#C165BA, #C19A65, #65C16C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F9FC
Lighter +30%#D2DDED
Lighter +20%#AEC2DE
Lighter +10%#89A7D0
Darker −10%#4672AD
Darker −20%#375A89
Darker −30%#284265
Darker −40%#1A2A40
More saturated +25%#4A88DC
Less saturated −25%#8090A6

Channel breakdown

R101
G140
B193
Red101 (39.6%)
Green140 (54.9%)
Blue193 (75.7%)
Hue214.57°
Saturation (HSL)42.59%
Lightness57.65%
Dominant channelBlue
Hex per channelR 65 · G 8C · B C1

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Every value on this page was computed from “658cc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.