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Recognised as Colour

#1DA7FF

  • #1DA7FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1DA7FF is a blue with RGB values 29, 167, 255 and HSL 203°, 100%, 56%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1DA7FF#1DA7FF
HEX#1DA7FF
RGBrgb(29, 167, 255)
RGB (0–1)0.1137, 0.6549, 1
RGB percentages11.4%, 65.5%, 100%
HSLhsl(203.4, 100%, 55.7%)
HSV / HSBhsv(203.4, 88.6%, 100%)
CMYK88.6%, 34.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,943,551
CSS custom property--colour: #1DA7FF;

Brightness & contrast

Relative luminance0.35119WCAG 2.x, 0 is black and 1 is white
Perceived brightness155 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.02:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.02:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#E25800

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7DAAFFno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#5D97FDno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#00BDC7no blue cones; rare, and affects men and women equally; ΔE 48.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.02:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14Dodgerblue · ΔE 18.2Deep skyblue · ΔE 18.8Steel blue · ΔE 24.8Light skyblue · ΔE 29.2Sky blue · ΔE 36.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF751D
Analogous#1DFFE6, #1D36FF
Triadic#FF1DA7, #A7FF1D
Split complementary#FF1D36, #FFE61D
Tetradic#E61DFF, #FF751D, #36FF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F6FF
Lighter +30%#B6E3FF
Lighter +20%#83CFFF
Lighter +10%#50BBFF
Darker −10%#008EE9
Darker −20%#006FB6
Darker −30%#005083
Darker −40%#003150
More saturated +25%#1DA7FF
Less saturated −25%#39A1E3

Channel breakdown

R29
G167
B255
Red29 (11.4%)
Green167 (65.5%)
Blue255 (100%)
Hue203.36°
Saturation (HSL)100%
Lightness55.69%
Dominant channelBlue
Hex per channelR 1D · G A7 · B FF

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Every value on this page was computed from “1da7ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.