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Colour

#1535EE

  • #1535EE
  • Blue
  • Dark
  • Nearest: Medium blue

#1535EE is a blue with RGB values 21, 53, 238 and HSL 231°, 86%, 51%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1535EE#1535EE
HEX#1535EE
RGBrgb(21, 53, 238)
RGB (0–1)0.0824, 0.2078, 0.9333
RGB percentages8.2%, 20.8%, 93.3%
HSLhsl(231.2, 86.5%, 50.8%)
HSV / HSBhsv(231.2, 91.2%, 93.3%)
CMYK91.2%, 77.7%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,390,062
CSS custom property--colour: #1535EE;

Brightness & contrast

Relative luminance0.08879WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.57:1
Contrast with white7.57:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#EACA11

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FF3no red cones; affects about 1% of men; ΔE 28.4 from the original
Deuteranopia#0049EBno green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#006F91no blue cones; rare, and affects men and women equally; ΔE 98.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.57:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.7Blue violet · ΔE 21.9Blue · ΔE 25.8Dark violet · ΔE 28.5Dark blue · ΔE 32.8Dark orchid · ΔE 33.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EECE15
Analogous#15A1EE, #6215EE
Triadic#EE1535, #35EE15
Split complementary#EE6215, #A1EE15
Tetradic#EE15A1, #EECE15, #15EE62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3D9FC
Lighter +30%#A4B0F8
Lighter +20%#7487F5
Lighter +10%#455EF1
Darker −10%#0E29C2
Darker −20%#0B1F92
Darker −30%#071563
Darker −40%#040B33
More saturated +25%#0429FF
Less saturated −25%#344BCF

Channel breakdown

R21
G53
B238
Red21 (8.2%)
Green53 (20.8%)
Blue238 (93.3%)
Hue231.15°
Saturation (HSL)86.45%
Lightness50.78%
Dominant channelBlue
Hex per channelR 15 · G 35 · B EE

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Every value on this page was computed from “1535ee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.