Colour

#018BC8

#018BC8
Cyan
Dark
Nearest: Steel blue

#018BC8 is a cyan with RGB values 1, 139, 200 and HSL 198°, 99%, 39%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#018BC8#018BC8

HEX#018BC8

RGBrgb(1, 139, 200)

RGB (0–1)0.0039, 0.5451, 0.7843

RGB percentages0.4%, 54.5%, 78.4%

HSLhsl(198.4, 99%, 39.4%)

HSV / HSBhsv(198.4, 99.5%, 78.4%)

CMYK99.5%, 30.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer101,320

CSS custom property--colour: #018BC8;

Brightness & contrast

Relative luminance0.22642WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.53:1

Contrast with white3.8:1WCAG normal text: Fail

Contrast with black5.53:1WCAG normal text: AA

Greyscale equivalent#727272

Inverted#FE7437

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D8CCBno red cones; affects about 1% of men; ΔE 16.1 from the original

Deuteranopia#557CC7no green cones; the most common form, about 1% of men; ΔE 18.2 from the original

Tritanopia#009BA1no blue cones; rare, and affects men and women equally; ΔE 35.4 from the original

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

Contrast with white, large text3.8:1WCAG large text: AA

Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.7 Deep skyblue · ΔE 20 Cornflower blue · ΔE 21.7 Light skyblue · ΔE 27.7 Light slate grey · ΔE 29.9 Dodgerblue · ΔE 30.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 9.66, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C83E01

Analogous#01C8A2, #0127C8

Triadic#C8018B, #8BC801

Split complementary#C80127, #C8A201

Tetradic#A201C8, #C83E01, #27C801

Tints, shades & saturation

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

Lighter +40%#97DFFE

Lighter +30%#64CFFE

Lighter +20%#31BFFE

Lighter +10%#01AEFB

Darker −10%#016895

Darker −20%#004463

Darker −30%#002130

Darker −40%#000000

More saturated +25%#008BC9

Less saturated −25%#1A81AF

Channel breakdown

G139

B200

Red1 (0.4%)

Green139 (54.5%)

Blue200 (78.4%)

Hue198.39°

Saturation (HSL)99%

Lightness39.41%

Dominant channelBlue

Hex per channelR 01 · G 8B · B C8

Keep nerding

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

#018BC8

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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