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Recognised as Colour

#1978AE

  • #1978AE
  • Blue
  • Dark
  • Nearest: Steel blue

#1978AE is a blue with RGB values 25, 120, 174 and HSL 202°, 75%, 39%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1978AE#1978AE
HEX#1978AE
RGBrgb(25, 120, 174)
RGB (0–1)0.098, 0.4706, 0.6824
RGB percentages9.8%, 47.1%, 68.2%
HSLhsl(201.7, 74.9%, 39%)
HSV / HSBhsv(201.7, 85.6%, 68.2%)
CMYK85.6%, 31%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,669,294
CSS custom property--colour: #1978AE;

Brightness & contrast

Relative luminance0.16696WCAG 2.x, 0 is black and 1 is white
Perceived brightness110 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.84:1
Contrast with white4.84:1WCAG normal text: AA
Contrast with black4.34:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#E68751

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E79B0no red cones; affects about 1% of men; ΔE 13 from the original
Deuteranopia#4A6CADno green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#00868Bno blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.84:1WCAG large text: AAA
Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Steel blue · ΔE 6.5Cornflower blue · ΔE 25Slate grey · ΔE 26.3Light slate grey · ΔE 26.5Deep skyblue · ΔE 27.8Light skyblue · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.49, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE4F19
Analogous#19AE9A, #192EAE
Triadic#AE1978, #78AE19
Split complementary#AE192E, #AE9A19
Tetradic#9919AE, #AE4F19, #2EAE19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1D5F2
Lighter +30%#75C0EB
Lighter +20%#48ACE5
Lighter +10%#1F97DB
Darker −10%#135981
Darker −20%#0C3A55
Darker −30%#061C28
Darker −40%#000000
More saturated +25%#007FC7
Less saturated −25%#327195

Channel breakdown

R25
G120
B174
Red25 (9.8%)
Green120 (47.1%)
Blue174 (68.2%)
Hue201.74°
Saturation (HSL)74.87%
Lightness39.02%
Dominant channelBlue
Hex per channelR 19 · G 78 · B AE

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Every value on this page was computed from “1978ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.