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Recognised as Colour

#057BDA

  • #057BDA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#057BDA is a blue with RGB values 5, 123, 218 and HSL 207°, 96%, 44%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#057BDA#057BDA
HEX#057BDA
RGBrgb(5, 123, 218)
RGB (0–1)0.0196, 0.4824, 0.8549
RGB percentages2%, 48.2%, 85.5%
HSLhsl(206.8, 95.5%, 43.7%)
HSV / HSBhsv(206.8, 97.7%, 85.5%)
CMYK97.7%, 43.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer359,386
CSS custom property--colour: #057BDA;

Brightness & contrast

Relative luminance0.1926WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.85:1
Contrast with white4.33:1WCAG normal text: Fail
Contrast with black4.85:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#FA8425

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4883DEno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#1B72D8no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#0092A0no blue cones; rare, and affects men and women equally; ΔE 52.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.33:1WCAG large text: AA
Contrast with black, large text4.85:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.2Cornflower blue · ΔE 13.1Royal blue · ΔE 20.9Steel blue · ΔE 26.8Slate blue · ΔE 29Medium purple · ΔE 30.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA6405
Analogous#05DACF, #0510DA
Triadic#DA057B, #7BDA05
Split complementary#DA0510, #DACF05
Tetradic#CF05DA, #DA6405, #10DA05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEDAFD
Lighter +30%#7CC3FC
Lighter +20%#4AACFB
Lighter +10%#1895FA
Darker −10%#045FA8
Darker −20%#034376
Darker −30%#022744
Darker −40%#000A13
More saturated +25%#007CDF
Less saturated −25%#2178BE

Channel breakdown

R5
G123
B218
Red5 (2%)
Green123 (48.2%)
Blue218 (85.5%)
Hue206.76°
Saturation (HSL)95.52%
Lightness43.73%
Dominant channelBlue
Hex per channelR 05 · G 7B · B DA

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