Colour

#023B5B

#023B5B
Blue
Dark
Nearest: Dark slate grey

#023B5B is a blue with RGB values 2, 59, 91 and HSL 202°, 96%, 18%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#023B5B#023B5B

HEX#023B5B

RGBrgb(2, 59, 91)

RGB (0–1)0.0078, 0.2314, 0.3569

RGB percentages0.8%, 23.1%, 35.7%

HSLhsl(201.6, 95.7%, 18.2%)

HSV / HSBhsv(201.6, 97.8%, 35.7%)

CMYK97.8%, 35.2%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer146,267

CSS custom property--colour: #023B5B;

Brightness & contrast

Relative luminance0.03896WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.8:1

Contrast with white11.8:1WCAG normal text: AAA

Contrast with black1.78:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#FDC4A4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2C3C5Cno red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#1F345Ano green cones; the most common form, about 1% of men; ΔE 9 from the original

Tritanopia#004346no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original

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

Contrast with white, large text11.8:1WCAG large text: AAA

Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.1 Steel blue · ΔE 30.3 Dim grey · ΔE 32 Slate grey · ΔE 32.4 Black · ΔE 33.5 Light slate grey · ΔE 35

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.1, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5B2202

Analogous#025B4F, #020E5B

Triadic#5B023B, #3B5B02

Split complementary#5B020F, #5B4F02

Tetradic#4F025B, #5B2202, #0E5B02

Tints, shades & saturation

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

Lighter +40%#2FB1FA

Lighter +30%#059CF1

Lighter +20%#047CBF

Lighter +10%#035B8D

Darker −10%#011B29

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003C5D

Less saturated −25%#0E384F

Channel breakdown

G59

B91

Red2 (0.8%)

Green59 (23.1%)

Blue91 (35.7%)

Hue201.57°

Saturation (HSL)95.7%

Lightness18.24%

Dominant channelBlue

Hex per channelR 02 · G 3B · B 5B

Keep nerding

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

#023B5B

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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