Colour

#425B8F

#425B8F
Blue
Dark
Nearest: Steel blue

#425B8F is a blue with RGB values 66, 91, 143 and HSL 221°, 37%, 41%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#425B8F#425B8F

HEX#425B8F

RGBrgb(66, 91, 143)

RGB (0–1)0.2588, 0.3569, 0.5608

RGB percentages25.9%, 35.7%, 56.1%

HSLhsl(220.5, 36.8%, 41%)

HSV / HSBhsv(220.5, 53.8%, 56.1%)

CMYK53.8%, 36.4%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,348,815

CSS custom property--colour: #425B8F;

Brightness & contrast

Relative luminance0.10624WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.72:1

Contrast with white6.72:1WCAG normal text: AA

Contrast with black3.12:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#BDA470

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#476091no red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#3E588Eno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#1B666Eno blue cones; rare, and affects men and women equally; ΔE 33 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.72:1WCAG large text: AAA

Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.1 Dark slateblue · ΔE 23.6 Slate grey · ΔE 26.7 Light slate grey · ΔE 28 Cornflower blue · ΔE 29.1 Dim grey · ΔE 32.7

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.15, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F7642

Analogous#42818F, #50428F

Triadic#8F425B, #5B8F42

Split complementary#8F5042, #818F42

Tetradic#8F4281, #8F7642, #428F50

Tints, shades & saturation

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

Lighter +40%#BDC8E0

Lighter +30%#9AABD0

Lighter +20%#778FC0

Lighter +10%#5472B0

Darker −10%#32456C

Darker −20%#222F49

Darker −30%#121826

Darker −40%#020203

More saturated +25%#2852A9

Less saturated −25%#5C6475

Channel breakdown

R66

G91

B143

Red66 (25.9%)

Green91 (35.7%)

Blue143 (56.1%)

Hue220.52°

Saturation (HSL)36.84%

Lightness40.98%

Dominant channelBlue

Hex per channelR 42 · G 5B · B 8F

Keep nerding

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

#425B8F

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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