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Recognised as Colour

#0157BA

  • #0157BA
  • Blue
  • Dark
  • Nearest: Royal blue

#0157BA is a blue with RGB values 1, 87, 186 and HSL 212°, 99%, 37%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0157BA#0157BA
HEX#0157BA
RGBrgb(1, 87, 186)
RGB (0–1)0.0039, 0.3412, 0.7294
RGB percentages0.4%, 34.1%, 72.9%
HSLhsl(212.1, 98.9%, 36.7%)
HSV / HSBhsv(212.1, 99.5%, 72.9%)
CMYK99.5%, 53.2%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer87,994
CSS custom property--colour: #0157BA;

Brightness & contrast

Relative luminance0.10368WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.83:1
Contrast with white6.83:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#FEA845

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0063BEno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#0053B8no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#007080no blue cones; rare, and affects men and women equally; ΔE 56.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.83:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Royal blue · ΔE 14.5Slate blue · ΔE 19.4Dark slateblue · ΔE 19.5Dodgerblue · ΔE 23Medium purple · ΔE 26.3Cornflower blue · ΔE 26.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA6401
Analogous#01B3BA, #0801BA
Triadic#BA0157, #57BA01
Split complementary#BA0801, #B3BA01
Tetradic#BA01B3, #BA6401, #01BA08

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89BFFE
Lighter +30%#56A4FE
Lighter +20%#2389FE
Lighter +10%#016FED
Darker −10%#013F87
Darker −20%#002855
Darker −30%#001022
Darker −40%#000000
More saturated +25%#0057BB
Less saturated −25%#1859A3

Channel breakdown

R1
G87
B186
Red1 (0.4%)
Green87 (34.1%)
Blue186 (72.9%)
Hue212.11°
Saturation (HSL)98.93%
Lightness36.67%
Dominant channelBlue
Hex per channelR 01 · G 57 · B BA

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Every value on this page was computed from “0157ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.