Nerdulator> put something in

Colour

#2897FF

  • #2897FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2897FF is a blue with RGB values 40, 151, 255 and HSL 209°, 100%, 58%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2897FF#2897FF
HEX#2897FF
RGBrgb(40, 151, 255)
RGB (0–1)0.1569, 0.5922, 1
RGB percentages15.7%, 59.2%, 100%
HSLhsl(209, 100%, 57.8%)
HSV / HSBhsv(209, 84.3%, 100%)
CMYK84.3%, 40.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,660,351
CSS custom property--colour: #2897FF;

Brightness & contrast

Relative luminance0.29804WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.96:1
Contrast with white3.02:1WCAG normal text: Fail
Contrast with black6.96:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#D76800

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#639FFFno red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#3D8CFDno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#00B0BFno blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.02:1WCAG large text: AA
Contrast with black, large text6.96:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.3Cornflower blue · ΔE 11.1Royal blue · ΔE 24.7Steel blue · ΔE 31.1Deep skyblue · ΔE 31.7Medium purple · ΔE 32.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.34, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9028
Analogous#28FFFB, #282CFF
Triadic#FF2897, #97FF28
Split complementary#FF282B, #FFFB28
Tetradic#FC28FF, #FF9028, #2CFF28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4FAFF
Lighter +30%#C1E1FF
Lighter +20%#8EC8FF
Lighter +10%#5BB0FF
Darker −10%#007EF4
Darker −20%#0064C1
Darker −30%#00498E
Darker −40%#002F5B
More saturated +25%#2897FF
Less saturated −25%#4396E4

Channel breakdown

R40
G151
B255
Red40 (15.7%)
Green151 (59.2%)
Blue255 (100%)
Hue209.02°
Saturation (HSL)100%
Lightness57.84%
Dominant channelBlue
Hex per channelR 28 · G 97 · B FF

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 “2897ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.