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Colour

#2A88E7

  • #2A88E7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2A88E7 is a blue with RGB values 42, 136, 231 and HSL 210°, 80%, 54%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2A88E7#2A88E7
HEX#2A88E7
RGBrgb(42, 136, 231)
RGB (0–1)0.1647, 0.5333, 0.9059
RGB percentages16.5%, 53.3%, 90.6%
HSLhsl(210.2, 79.7%, 53.5%)
HSV / HSBhsv(210.2, 81.8%, 90.6%)
CMYK81.8%, 41.1%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,787,559
CSS custom property--colour: #2A88E7;

Brightness & contrast

Relative luminance0.2387WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.77:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.77:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#D57718

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#598FEBno red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#377EE5no green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#009FACno blue cones; rare, and affects men and women equally; ΔE 53.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.1Dodgerblue · ΔE 9.1Royal blue · ΔE 23.3Steel blue · ΔE 26Medium purple · ΔE 30.7Slate blue · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.08, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7892A
Analogous#2AE7E7, #2A2AE7
Triadic#E72A88, #88E72A
Split complementary#E72B2A, #E6E72A
Tetradic#E72AE7, #E7892A, #2AE72B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1EEFC
Lighter +30%#B4D5F6
Lighter +20%#86BBF1
Lighter +10%#58A2EC
Darker −10%#166FC8
Darker −20%#11559A
Darker −30%#0C3C6C
Darker −40%#07223E
More saturated +25%#1288FF
Less saturated −25%#4888C9

Channel breakdown

R42
G136
B231
Red42 (16.5%)
Green136 (53.3%)
Blue231 (90.6%)
Hue210.16°
Saturation (HSL)79.75%
Lightness53.53%
Dominant channelBlue
Hex per channelR 2A · G 88 · B E7

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Every value on this page was computed from “2a88e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.