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Recognised as Colour

#297CAB

  • #297CAB
  • Blue
  • Dark
  • Nearest: Steel blue

#297CAB is a blue with RGB values 41, 124, 171 and HSL 202°, 61%, 42%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#297CAB#297CAB
HEX#297CAB
RGBrgb(41, 124, 171)
RGB (0–1)0.1608, 0.4863, 0.6706
RGB percentages16.1%, 48.6%, 67.1%
HSLhsl(201.7, 61.3%, 41.6%)
HSV / HSBhsv(201.7, 76%, 67.1%)
CMYK76%, 27.5%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,718,891
CSS custom property--colour: #297CAB;

Brightness & contrast

Relative luminance0.17827WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.6:1
Contrast with white4.6:1WCAG normal text: AA
Contrast with black4.57:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#D68354

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#667CADno red cones; affects about 1% of men; ΔE 14 from the original
Deuteranopia#5470AAno green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#00888Cno blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.6:1WCAG large text: AAA
Contrast with black, large text4.57:1WCAG large text: AAA

Named colours

Steel blue · ΔE 5.4Slate grey · ΔE 22.6Light slate grey · ΔE 22.8Deep skyblue · ΔE 27.2Cornflower blue · ΔE 27.8Cadetblue · ΔE 29.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB5829
Analogous#29AB99, #293BAB
Triadic#AB297C, #7CAB29
Split complementary#AB293B, #AB9929
Tetradic#9929AB, #AB5829, #3BAB29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3D8ED
Lighter +30%#8AC3E3
Lighter +20%#61AED9
Lighter +10%#3898CF
Darker −10%#1F5E82
Darker −20%#154059
Darker −30%#0B2330
Darker −40%#020506
More saturated +25%#0F83C5
Less saturated −25%#437591

Channel breakdown

R41
G124
B171
Red41 (16.1%)
Green124 (48.6%)
Blue171 (67.1%)
Hue201.69°
Saturation (HSL)61.32%
Lightness41.57%
Dominant channelBlue
Hex per channelR 29 · G 7C · B AB

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Every value on this page was computed from “297cab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.