Colour

#677BDA

#677BDA
Blue
Dark
Nearest: Cornflower blue

#677BDA is a blue with RGB values 103, 123, 218 and HSL 230°, 61%, 63%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#677BDA#677BDA

HEX#677BDA

RGBrgb(103, 123, 218)

RGB (0–1)0.4039, 0.4824, 0.8549

RGB percentages40.4%, 48.2%, 85.5%

HSLhsl(229.6, 60.8%, 62.9%)

HSV / HSBhsv(229.6, 52.8%, 85.5%)

CMYK52.8%, 43.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,781,914

CSS custom property--colour: #677BDA;

Brightness & contrast

Relative luminance0.22111WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.42:1

Contrast with white3.87:1WCAG normal text: Fail

Contrast with black5.42:1WCAG normal text: AA

Greyscale equivalent#7E7E7E

Inverted#988425

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5387DEno red cones; affects about 1% of men; ΔE 10.3 from the original

Deuteranopia#467DD8no green cones; the most common form, about 1% of men; ΔE 8.3 from the original

Tritanopia#3090A0no blue cones; rare, and affects men and women equally; ΔE 54.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.87:1WCAG large text: AA

Contrast with black, large text5.42:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.9 Dodgerblue · ΔE 16.4 Royal blue · ΔE 17 Medium purple · ΔE 17.4 Slate blue · ΔE 20 Dark slateblue · ΔE 25.9

Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.85, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DAC667

Analogous#67B4DA, #8D67DA

Triadic#DA677B, #7BDA67

Split complementary#DA8D67, #B4DA67

Tetradic#DA67B4, #DAC667, #67DA8D

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#E2E6F8

Lighter +20%#B9C2EE

Lighter +10%#909FE4

Darker −10%#3E57D0

Darker −20%#2B42B0

Darker −30%#213387

Darker −40%#17235E

More saturated +25%#4F6CF2

Less saturated −25%#7F8AC2

Channel breakdown

R103

G123

B218

Red103 (40.4%)

Green123 (48.2%)

Blue218 (85.5%)

Hue229.57°

Saturation (HSL)60.85%

Lightness62.94%

Dominant channelBlue

Hex per channelR 67 · G 7B · B DA

Keep nerding

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#677BDA

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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