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Recognised as Colour

#253FFD

  • #253FFD
  • Blue
  • Dark
  • Nearest: Medium blue

#253FFD is a blue with RGB values 37, 63, 253 and HSL 233°, 98%, 57%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#253FFD#253FFD
HEX#253FFD
RGBrgb(37, 63, 253)
RGB (0–1)0.1451, 0.2471, 0.9922
RGB percentages14.5%, 24.7%, 99.2%
HSLhsl(232.8, 98.2%, 56.9%)
HSV / HSBhsv(232.8, 85.4%, 99.2%)
CMYK85.4%, 75.1%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,441,213
CSS custom property--colour: #253FFD;

Brightness & contrast

Relative luminance0.1104WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.55:1
Contrast with white6.55:1WCAG normal text: AA
Contrast with black3.21:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#DAC002

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068FFno red cones; affects about 1% of men; ΔE 29.6 from the original
Deuteranopia#0052FAno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#00799Cno blue cones; rare, and affects men and women equally; ΔE 100.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.55:1WCAG large text: AAA
Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Medium blue · ΔE 17.1Blue violet · ΔE 22.7Blue · ΔE 25.4Dark violet · ΔE 29.8Dark orchid · ΔE 35.2Medium slateblue · ΔE 36.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDE325
Analogous#25ABFD, #7725FD
Triadic#FD253F, #3FFD25
Split complementary#FD7725, #ABFD25
Tetradic#FD25AB, #FDE325, #25FD77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF1FF
Lighter +30%#BDC5FE
Lighter +20%#8A98FE
Lighter +10%#586CFD
Darker −10%#021EED
Darker −20%#0218BA
Darker −30%#011188
Darker −40%#010B55
More saturated +25%#233DFF
Less saturated −25%#4154E2

Channel breakdown

R37
G63
B253
Red37 (14.5%)
Green63 (24.7%)
Blue253 (99.2%)
Hue232.78°
Saturation (HSL)98.18%
Lightness56.86%
Dominant channelBlue
Hex per channelR 25 · G 3F · B FD

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Every value on this page was computed from “253ffd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.