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Colour

#30B1FF

  • #30B1FF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#30B1FF is a blue with RGB values 48, 177, 255 and HSL 203°, 100%, 59%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#30B1FF#30B1FF
HEX#30B1FF
RGBrgb(48, 177, 255)
RGB (0–1)0.1882, 0.6941, 1
RGB percentages18.8%, 69.4%, 100%
HSLhsl(202.6, 100%, 59.4%)
HSV / HSBhsv(202.6, 81.2%, 100%)
CMYK81.2%, 30.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,191,295
CSS custom property--colour: #30B1FF;

Brightness & contrast

Relative luminance0.39293WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.86:1
Contrast with white2.37:1WCAG normal text: Fail
Contrast with black8.86:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#CF4E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8CB3FFno red cones; affects about 1% of men; ΔE 16.1 from the original
Deuteranopia#70A0FEno green cones; the most common form, about 1% of men; ΔE 19.1 from the original
Tritanopia#00C4CDno blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.37:1WCAG large text: Fail
Contrast with black, large text8.86:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.8Cornflower blue · ΔE 18.6Light skyblue · ΔE 22.6Steel blue · ΔE 23.3Dodgerblue · ΔE 25.3Sky blue · ΔE 29.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF7E30
Analogous#30FFE5, #304AFF
Triadic#FF30B1, #B1FF30
Split complementary#FF304A, #FFE530
Tetradic#E530FF, #FF7E30, #4AFF30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFEFF
Lighter +30%#C9EBFF
Lighter +20%#96D7FF
Lighter +10%#63C4FF
Darker −10%#009DFC
Darker −20%#007DC9
Darker −30%#005D96
Darker −40%#003E63
More saturated +25%#30B1FF
Less saturated −25%#4AABE5

Channel breakdown

R48
G177
B255
Red48 (18.8%)
Green177 (69.4%)
Blue255 (100%)
Hue202.61°
Saturation (HSL)100%
Lightness59.41%
Dominant channelBlue
Hex per channelR 30 · G B1 · B FF

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Every value on this page was computed from “30b1ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.