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Recognised as Colour

#1D77CD

  • #1D77CD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1D77CD is a blue with RGB values 29, 119, 205 and HSL 209°, 75%, 46%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1D77CD#1D77CD
HEX#1D77CD
RGBrgb(29, 119, 205)
RGB (0–1)0.1137, 0.4667, 0.8039
RGB percentages11.4%, 46.7%, 80.4%
HSLhsl(209.3, 75.2%, 45.9%)
HSV / HSBhsv(209.3, 85.9%, 80.4%)
CMYK85.9%, 42%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,931,213
CSS custom property--colour: #1D77CD;

Brightness & contrast

Relative luminance0.17863WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.59:1
Contrast with white4.59:1WCAG normal text: AA
Contrast with black4.57:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#E28832

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B7ED0no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#2B6ECBno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#008C98no blue cones; rare, and affects men and women equally; ΔE 49.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.59:1WCAG large text: AAA
Contrast with black, large text4.57:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.2Dodgerblue · ΔE 16Steel blue · ΔE 22.1Royal blue · ΔE 24.4Dark slateblue · ΔE 28.8Slate blue · ΔE 30.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD731D
Analogous#1DCDCB, #1D1FCD
Triadic#CD1D77, #77CD1D
Split complementary#CD1D1F, #CDCB1D
Tetradic#CB1DCD, #CD731D, #1FCD1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0DCF6
Lighter +30%#93C3F0
Lighter +20%#67A9E9
Lighter +10%#3A90E3
Darker −10%#175DA0
Darker −20%#104374
Darker −30%#0A2947
Darker −40%#040F1A
More saturated +25%#0078EA
Less saturated −25%#3A76B0

Channel breakdown

R29
G119
B205
Red29 (11.4%)
Green119 (46.7%)
Blue205 (80.4%)
Hue209.32°
Saturation (HSL)75.21%
Lightness45.88%
Dominant channelBlue
Hex per channelR 1D · G 77 · B CD

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Every value on this page was computed from “1d77cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.