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Recognised as Colour

#037FBD

  • #037FBD
  • Blue
  • Dark
  • Nearest: Steel blue

#037FBD is a blue with RGB values 3, 127, 189 and HSL 200°, 97%, 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

#037FBD#037FBD
HEX#037FBD
RGBrgb(3, 127, 189)
RGB (0–1)0.0118, 0.498, 0.7412
RGB percentages1.2%, 49.8%, 74.1%
HSLhsl(200, 96.9%, 37.6%)
HSV / HSBhsv(200, 98.4%, 74.1%)
CMYK98.4%, 32.8%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer229,309
CSS custom property--colour: #037FBD;

Brightness & contrast

Relative luminance0.18872WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.77:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.77:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#FC8042

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6180C0no red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#4972BCno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#008F95no blue cones; rare, and affects men and women equally; ΔE 36.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.8Cornflower blue · ΔE 21.1Deep skyblue · ΔE 24.9Dodgerblue · ΔE 29.3Light slate grey · ΔE 30.1Slate grey · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.77, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD4103
Analogous#03BD9E, #0322BD
Triadic#BD037F, #7FBD03
Split complementary#BD0322, #BD9E03
Tetradic#9E03BD, #BD4103, #22BD03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FD8FD
Lighter +30%#5DC7FC
Lighter +20%#2AB6FC
Lighter +10%#04A1EF
Darker −10%#025D8B
Darker −20%#013C59
Darker −30%#011A26
Darker −40%#000000
More saturated +25%#0080C0
Less saturated −25%#1B77A5

Channel breakdown

R3
G127
B189
Red3 (1.2%)
Green127 (49.8%)
Blue189 (74.1%)
Hue200°
Saturation (HSL)96.88%
Lightness37.65%
Dominant channelBlue
Hex per channelR 03 · G 7F · B BD

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Every value on this page was computed from “037fbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.