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Recognised as Colour

#2957DA

  • #2957DA
  • Blue
  • Dark
  • Nearest: Royal blue

#2957DA is a blue with RGB values 41, 87, 218 and HSL 224°, 71%, 51%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2957DA#2957DA
HEX#2957DA
RGBrgb(41, 87, 218)
RGB (0–1)0.1608, 0.3412, 0.8549
RGB percentages16.1%, 34.1%, 85.5%
HSLhsl(224.4, 70.5%, 50.8%)
HSV / HSBhsv(224.4, 81.2%, 85.5%)
CMYK81.2%, 60.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,709,466
CSS custom property--colour: #2957DA;

Brightness & contrast

Relative luminance0.1235WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.05:1
Contrast with white6.05:1WCAG normal text: AA
Contrast with black3.47:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#D6A825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BDEno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#005BD8no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#007990no blue cones; rare, and affects men and women equally; ΔE 73 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.05:1WCAG large text: AAA
Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.6Slate blue · ΔE 14.3Medium slateblue · ΔE 14.6Medium purple · ΔE 25.3Rebecca purple · ΔE 27.6Dodgerblue · ΔE 29.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAC29
Analogous#29B0DA, #5329DA
Triadic#DA2957, #57DA29
Split complementary#DA5329, #B0DA29
Tetradic#DA29B0, #DAAC29, #29DA53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7E0F8
Lighter +30%#ABBDF1
Lighter +20%#809BE9
Lighter +10%#5479E2
Darker −10%#1F45B1
Darker −20%#173486
Darker −30%#10235A
Darker −40%#08122F
More saturated +25%#0A48F9
Less saturated −25%#4866BB

Channel breakdown

R41
G87
B218
Red41 (16.1%)
Green87 (34.1%)
Blue218 (85.5%)
Hue224.41°
Saturation (HSL)70.52%
Lightness50.78%
Dominant channelBlue
Hex per channelR 29 · G 57 · B DA

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Every value on this page was computed from “2957da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.