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Recognised as Colour

#2AB5FF

  • #2AB5FF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#2AB5FF is a blue with RGB values 42, 181, 255 and HSL 201°, 100%, 58%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#2AB5FF#2AB5FF
HEX#2AB5FF
RGBrgb(42, 181, 255)
RGB (0–1)0.1647, 0.7098, 1
RGB percentages16.5%, 71%, 100%
HSLhsl(200.8, 100%, 58.2%)
HSV / HSBhsv(200.8, 83.5%, 100%)
CMYK83.5%, 29%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,799,103
CSS custom property--colour: #2AB5FF;

Brightness & contrast

Relative luminance0.4076WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.15:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.15:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#D54A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91B6FFno red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#75A3FEno green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#00C8CFno blue cones; rare, and affects men and women equally; ΔE 41.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.15:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8.5Light skyblue · ΔE 20.5Cornflower blue · ΔE 21.6Steel blue · ΔE 23.5Sky blue · ΔE 27.2Dodgerblue · ΔE 28.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 8.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF742A
Analogous#2AFFDE, #2A4BFF
Triadic#FF2AB5, #B5FF2A
Split complementary#FF2A4B, #FFDF2A
Tetradic#DE2AFF, #FF742A, #4AFF2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6FCFF
Lighter +30%#C3EAFF
Lighter +20%#90D8FF
Lighter +10%#5DC7FF
Darker −10%#00A1F6
Darker −20%#007FC3
Darker −30%#005E90
Darker −40%#003D5D
More saturated +25%#2AB5FF
Less saturated −25%#45ADE4

Channel breakdown

R42
G181
B255
Red42 (16.5%)
Green181 (71%)
Blue255 (100%)
Hue200.85°
Saturation (HSL)100%
Lightness58.24%
Dominant channelBlue
Hex per channelR 2A · G B5 · B FF

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Every value on this page was computed from “2ab5ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.