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Recognised as Colour

#045F77

  • #045F77
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#045F77 is a cyan with RGB values 4, 95, 119 and HSL 193°, 93%, 24%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#045F77#045F77
HEX#045F77
RGBrgb(4, 95, 119)
RGB (0–1)0.0157, 0.3725, 0.4667
RGB percentages1.6%, 37.3%, 46.7%
HSLhsl(192.5, 93.5%, 24.1%)
HSV / HSBhsv(192.5, 96.6%, 46.7%)
CMYK96.6%, 20.2%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer286,583
CSS custom property--colour: #045F77;

Brightness & contrast

Relative luminance0.09542WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.22:1
Contrast with white7.22:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#FBA088

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#515D78no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#435377no green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#006667no blue cones; rare, and affects men and women equally; ΔE 16 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.22:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.6Teal · ΔE 21.8Steel blue · ΔE 22.1Slate grey · ΔE 22.1Light slate grey · ΔE 24.2Dark cyan · ΔE 24.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#771C04
Analogous#047755, #042677
Triadic#77045F, #5F7704
Split complementary#770426, #775504
Tetradic#550477, #771C04, #267704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4ED5F9
Lighter +30%#1DCAF7
Lighter +20%#07AEDA
Lighter +10%#0686A8
Darker −10%#023846
Darker −20%#011014
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00617B
Less saturated −25%#135668

Channel breakdown

R4
G95
B119
Red4 (1.6%)
Green95 (37.3%)
Blue119 (46.7%)
Hue192.52°
Saturation (HSL)93.5%
Lightness24.12%
Dominant channelBlue
Hex per channelR 04 · G 5F · B 77

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Every value on this page was computed from “045f77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.