Nerdulator> put something in

Recognised as Colour

#1533F9

  • #1533F9
  • Blue
  • Dark
  • Nearest: Medium blue

#1533F9 is a blue with RGB values 21, 51, 249 and HSL 232°, 95%, 53%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1533F9#1533F9
HEX#1533F9
RGBrgb(21, 51, 249)
RGB (0–1)0.0824, 0.2, 0.9765
RGB percentages8.2%, 20%, 97.6%
HSLhsl(232.1, 95%, 52.9%)
HSV / HSBhsv(232.1, 91.6%, 97.6%)
CMYK91.6%, 79.5%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,389,561
CSS custom property--colour: #1533F9;

Brightness & contrast

Relative luminance0.09367WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.31:1
Contrast with white7.31:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#EACC06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062FEno red cones; affects about 1% of men; ΔE 31.1 from the original
Deuteranopia#004AF6no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#007397no blue cones; rare, and affects men and women equally; ΔE 104.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.31:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.6Blue · ΔE 19.8Blue violet · ΔE 24Dark violet · ΔE 30Dark orchid · ΔE 37.7Dark blue · ΔE 38.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9DB15
Analogous#15A5F9, #6915F9
Triadic#F91533, #33F915
Split complementary#F96915, #A5F915
Tetradic#F915A5, #F9DB15, #15F969

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE0FE
Lighter +30%#AAB5FD
Lighter +20%#788AFC
Lighter +10%#475EFA
Darker −10%#0521D6
Darker −20%#0419A4
Darker −30%#031272
Darker −40%#020A40
More saturated +25%#0F2FFF
Less saturated −25%#3349DB

Channel breakdown

R21
G51
B249
Red21 (8.2%)
Green51 (20%)
Blue249 (97.6%)
Hue232.11°
Saturation (HSL)95%
Lightness52.94%
Dominant channelBlue
Hex per channelR 15 · G 33 · B F9

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 “1533f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.