Colour

#1233FB

#1233FB
Blue
Dark
Nearest: Medium blue

#1233FB is a blue with RGB values 18, 51, 251 and HSL 232°, 97%, 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

#1233FB#1233FB

HEX#1233FB

RGBrgb(18, 51, 251)

RGB (0–1)0.0706, 0.2, 0.9843

RGB percentages7.1%, 20%, 98.4%

HSLhsl(231.5, 96.7%, 52.7%)

HSV / HSBhsv(231.5, 92.8%, 98.4%)

CMYK92.8%, 79.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,192,955

CSS custom property--colour: #1233FB;

Brightness & contrast

Relative luminance0.09461WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.26:1

Contrast with white7.26:1WCAG normal text: AAA

Contrast with black2.89:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#EDCC04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0062FFno red cones; affects about 1% of men; ΔE 31.4 from the original

Deuteranopia#004BF8no green cones; the most common form, about 1% of men; ΔE 17.1 from the original

Tritanopia#007398no blue cones; rare, and affects men and women equally; ΔE 104.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.26:1WCAG large text: AAA

Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14 Blue · ΔE 18.9 Blue violet · ΔE 24.6 Dark violet · ΔE 30.5 Dark orchid · ΔE 38.5 Dark blue · ΔE 39.1

Nearest named CSS colourMedium blue (#0000CD)ΔE 13.98, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FBDA12

Analogous#12A8FB, #6512FB

Triadic#FB1233, #33FB12

Split complementary#FB6512, #A8FB12

Tetradic#FB12A8, #FBDA12, #12FB65

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DBE0FE

Lighter +30%#A8B5FE

Lighter +20%#7689FD

Lighter +10%#445EFC

Darker −10%#0421D6

Darker −20%#031AA4

Darker −30%#021272

Darker −40%#010A40

More saturated +25%#0E30FF

Less saturated −25%#3049DD

Channel breakdown

R18

G51

B251

Red18 (7.1%)

Green51 (20%)

Blue251 (98.4%)

Hue231.5°

Saturation (HSL)96.68%

Lightness52.75%

Dominant channelBlue

Hex per channelR 12 · G 33 · B FB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1233FB

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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