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Recognised as Colour

#1631EA

  • #1631EA
  • Blue
  • Dark
  • Nearest: Medium blue

#1631EA is a blue with RGB values 22, 49, 234 and HSL 232°, 83%, 50%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1631EA#1631EA
HEX#1631EA
RGBrgb(22, 49, 234)
RGB (0–1)0.0863, 0.1922, 0.9176
RGB percentages8.6%, 19.2%, 91.8%
HSLhsl(232.4, 83.5%, 50.2%)
HSV / HSBhsv(232.4, 90.6%, 91.8%)
CMYK90.6%, 79.1%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,454,570
CSS custom property--colour: #1631EA;

Brightness & contrast

Relative luminance0.08308WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.89:1
Contrast with white7.89:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#E9CE15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CEFno red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#0046E7no green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#006C8Eno blue cones; rare, and affects men and women equally; ΔE 98.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.89:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Medium blue · ΔE 12.3Blue violet · ΔE 21.6Blue · ΔE 25.3Dark violet · ΔE 28Dark blue · ΔE 32Dark orchid · ΔE 33.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 12.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EACF16
Analogous#169BEA, #6516EA
Triadic#EA1631, #31EA16
Split complementary#EA6516, #9BEA16
Tetradic#EA169B, #EACF16, #16EA65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1D6FB
Lighter +30%#A2ADF7
Lighter +20%#7484F2
Lighter +10%#455AEE
Darker −10%#1127BC
Darker −20%#0D1D8D
Darker −30%#09135E
Darker −40%#040A30
More saturated +25%#0121FF
Less saturated −25%#3649CA

Channel breakdown

R22
G49
B234
Red22 (8.6%)
Green49 (19.2%)
Blue234 (91.8%)
Hue232.36°
Saturation (HSL)83.46%
Lightness50.2%
Dominant channelBlue
Hex per channelR 16 · G 31 · B EA

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Every value on this page was computed from “1631ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.