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Recognised as Colour

#2A5BC0

  • #2A5BC0
  • Blue
  • Dark
  • Nearest: Royal blue

#2A5BC0 is a blue with RGB values 42, 91, 192 and HSL 220°, 64%, 46%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2A5BC0#2A5BC0
HEX#2A5BC0
RGBrgb(42, 91, 192)
RGB (0–1)0.1647, 0.3569, 0.7529
RGB percentages16.5%, 35.7%, 75.3%
HSLhsl(220.4, 64.1%, 45.9%)
HSV / HSBhsv(220.4, 78.1%, 75.3%)
CMYK78.1%, 52.6%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,776,000
CSS custom property--colour: #2A5BC0;

Brightness & contrast

Relative luminance0.1178WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.26:1
Contrast with white6.26:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#D5A43F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1168C4no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#005ABEno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#007484no blue cones; rare, and affects men and women equally; ΔE 58.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.26:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Royal blue · ΔE 11.9Slate blue · ΔE 16.4Dark slateblue · ΔE 19.4Dodgerblue · ΔE 21.9Medium purple · ΔE 23Medium slateblue · ΔE 24.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C08F2A
Analogous#2AA6C0, #442AC0
Triadic#C02A5B, #5BC02A
Split complementary#C0442A, #A6C02A
Tetradic#C02AA6, #C08F2A, #2AC044

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4D3F2
Lighter +30%#9AB4E9
Lighter +20%#7095E0
Lighter +10%#4676D7
Darker −10%#214796
Darker −20%#18336C
Darker −30%#0F2042
Darker −40%#050C19
More saturated +25%#0D51DD
Less saturated −25%#4765A3

Channel breakdown

R42
G91
B192
Red42 (16.5%)
Green91 (35.7%)
Blue192 (75.3%)
Hue220.4°
Saturation (HSL)64.1%
Lightness45.88%
Dominant channelBlue
Hex per channelR 2A · G 5B · B C0

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Every value on this page was computed from “2a5bc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.