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Colour

#057FBF

  • #057FBF
  • Blue
  • Dark
  • Nearest: Steel blue

#057FBF is a blue with RGB values 5, 127, 191 and HSL 201°, 95%, 38%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#057FBF#057FBF
HEX#057FBF
RGBrgb(5, 127, 191)
RGB (0–1)0.0196, 0.498, 0.749
RGB percentages2%, 49.8%, 74.9%
HSLhsl(200.6, 94.9%, 38.4%)
HSV / HSBhsv(200.6, 97.4%, 74.9%)
CMYK97.4%, 33.5%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer360,383
CSS custom property--colour: #057FBF;

Brightness & contrast

Relative luminance0.18973WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.79:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.79:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#FA8040

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6081C2no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#4872BEno green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#008F96no blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Cornflower blue · ΔE 20.1Deep skyblue · ΔE 25.2Dodgerblue · ΔE 28.1Light slate grey · ΔE 31Slate grey · ΔE 31.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF4505
Analogous#05BFA2, #0522BF
Triadic#BF057F, #7FBF05
Split complementary#BF0522, #BFA205
Tetradic#A205BF, #BF4505, #22BF05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94D8FC
Lighter +30%#62C6FB
Lighter +20%#30B4FA
Lighter +10%#06A0F1
Darker −10%#045E8D
Darker −20%#023D5C
Darker −30%#011C2A
Darker −40%#000000
More saturated +25%#0081C4
Less saturated −25%#1E77A7

Channel breakdown

R5
G127
B191
Red5 (2%)
Green127 (49.8%)
Blue191 (74.9%)
Hue200.65°
Saturation (HSL)94.9%
Lightness38.43%
Dominant channelBlue
Hex per channelR 05 · G 7F · B BF

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Every value on this page was computed from “057fbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.