Nerdulator> put something in

Recognised as Colour

#2A5DEF

  • #2A5DEF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2A5DEF is a blue with RGB values 42, 93, 239 and HSL 224°, 86%, 55%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2A5DEF#2A5DEF
HEX#2A5DEF
RGBrgb(42, 93, 239)
RGB (0–1)0.1647, 0.3647, 0.9373
RGB percentages16.5%, 36.5%, 93.7%
HSLhsl(224.5, 86%, 55.1%)
HSV / HSBhsv(224.5, 82.4%, 93.7%)
CMYK82.4%, 61.1%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,776,559
CSS custom property--colour: #2A5DEF;

Brightness & contrast

Relative luminance0.14553WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.37:1
Contrast with white5.37:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#D5A210

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074F4no red cones; affects about 1% of men; ΔE 16.9 from the original
Deuteranopia#0062ECno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#00839Dno blue cones; rare, and affects men and women equally; ΔE 79.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.37:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15Royal blue · ΔE 16.5Slate blue · ΔE 20Medium purple · ΔE 29.4Blue violet · ΔE 33.5Dodgerblue · ΔE 33.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFBC2A
Analogous#2ABFEF, #5A2AEF
Triadic#EF2A5D, #5DEF2A
Split complementary#EF5A2A, #BFEF2A
Tetradic#EF2ABF, #EFBC2A, #2AEF5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8EDFD
Lighter +30%#B8C9FA
Lighter +20%#89A5F6
Lighter +10%#5981F3
Darker −10%#1043D6
Darker −20%#0D34A6
Darker −30%#092577
Darker −40%#051748
More saturated +25%#1A55FF
Less saturated −25%#476BD2

Channel breakdown

R42
G93
B239
Red42 (16.5%)
Green93 (36.5%)
Blue239 (93.7%)
Hue224.47°
Saturation (HSL)86.03%
Lightness55.1%
Dominant channelBlue
Hex per channelR 2A · G 5D · B EF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2a5def” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.