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Recognised as Colour

#677CAF

  • #677CAF
  • Blue
  • Dark
  • Nearest: Steel blue

#677CAF is a blue with RGB values 103, 124, 175 and HSL 223°, 31%, 55%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#677CAF#677CAF
HEX#677CAF
RGBrgb(103, 124, 175)
RGB (0–1)0.4039, 0.4863, 0.6863
RGB percentages40.4%, 48.6%, 68.6%
HSLhsl(222.5, 31%, 54.5%)
HSV / HSBhsv(222.5, 41.1%, 68.6%)
CMYK41.1%, 29.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,127
CSS custom property--colour: #677CAF;

Brightness & contrast

Relative luminance0.20394WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.08:1
Contrast with white4.13:1WCAG normal text: Fail
Contrast with black5.08:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#988350

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6A80B1no red cones; affects about 1% of men; ΔE 2 from the original
Deuteranopia#637AAEno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#4F868Eno blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.13:1WCAG large text: AA
Contrast with black, large text5.08:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.2Light slate grey · ΔE 20.3Slate grey · ΔE 20.5Cornflower blue · ΔE 22.3Gray · ΔE 30Light steelblue · ΔE 30.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF9A67
Analogous#67A0AF, #7667AF
Triadic#AF677C, #7CAF67
Split complementary#AF7667, #A0AF67
Tetradic#AF67A0, #AF9A67, #67AF76

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDEFF5
Lighter +30%#CBD2E4
Lighter +20%#AAB6D2
Lighter +10%#8899C1
Darker −10%#4E6395
Darker −20%#3D4D73
Darker −30%#2B3652
Darker −40%#1A2030
More saturated +25%#4A70CC
Less saturated −25%#848892

Channel breakdown

R103
G124
B175
Red103 (40.4%)
Green124 (48.6%)
Blue175 (68.6%)
Hue222.5°
Saturation (HSL)31.03%
Lightness54.51%
Dominant channelBlue
Hex per channelR 67 · G 7C · B AF

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Every value on this page was computed from “677caf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.