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Colour

#3A99FB

  • #3A99FB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3A99FB is a blue with RGB values 58, 153, 251 and HSL 210°, 96%, 61%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3A99FB#3A99FB
HEX#3A99FB
RGBrgb(58, 153, 251)
RGB (0–1)0.2275, 0.6, 0.9843
RGB percentages22.7%, 60%, 98.4%
HSLhsl(210.5, 96%, 60.6%)
HSV / HSBhsv(210.5, 76.9%, 98.4%)
CMYK76.9%, 39%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,840,507
CSS custom property--colour: #3A99FB;

Brightness & contrast

Relative luminance0.30647WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.13:1
Contrast with white2.95:1WCAG normal text: Fail
Contrast with black7.13:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#C56604

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6AA0FFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#4B8EF9no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#00B0BEno blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.95:1WCAG large text: Fail
Contrast with black, large text7.13:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.3Dodgerblue · ΔE 8.6Royal blue · ΔE 26.8Steel blue · ΔE 28Deep skyblue · ΔE 28.9Medium purple · ΔE 32.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB9C3A
Analogous#3AF9FB, #3C3AFB
Triadic#FB3A99, #99FB3A
Split complementary#FB3C3A, #F9FB3A
Tetradic#FB3AFA, #FB9C3A, #3AFB3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D0E7FE
Lighter +20%#9ECDFD
Lighter +10%#6CB3FC
Darker −10%#087FFA
Darker −20%#0466CB
Darker −30%#034D99
Darker −40%#023467
More saturated +25%#3699FF
Less saturated −25%#5399E2

Channel breakdown

R58
G153
B251
Red58 (22.7%)
Green153 (60%)
Blue251 (98.4%)
Hue210.47°
Saturation (HSL)96.02%
Lightness60.59%
Dominant channelBlue
Hex per channelR 3A · G 99 · B FB

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Every value on this page was computed from “3a99fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.