Nerdulator> put something in

Recognised as Colour

#1C5B82

  • #1C5B82
  • Blue
  • Dark
  • Nearest: Steel blue

#1C5B82 is a blue with RGB values 28, 91, 130 and HSL 203°, 65%, 31%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#1C5B82#1C5B82
HEX#1C5B82
RGBrgb(28, 91, 130)
RGB (0–1)0.1098, 0.3569, 0.5098
RGB percentages11%, 35.7%, 51%
HSLhsl(202.9, 64.6%, 31%)
HSV / HSBhsv(202.9, 78.5%, 51%)
CMYK78.5%, 30%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,858,434
CSS custom property--colour: #1C5B82;

Brightness & contrast

Relative luminance0.09341WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.32:1
Contrast with white7.32:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#E3A47D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#495B84no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#3B5281no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#006569no blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.32:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.6Slate grey · ΔE 23.7Dark slate grey · ΔE 25.1Light slate grey · ΔE 25.5Dim grey · ΔE 29.1Teal · ΔE 32.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82431C
Analogous#1C8276, #1C2882
Triadic#821C5B, #5B821C
Split complementary#821C28, #82761C
Tetradic#761C82, #82431C, #28821C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85C0E5
Lighter +30%#5BABDC
Lighter +20%#3195D3
Lighter +10%#2578AC
Darker −10%#133E58
Darker −20%#0A202E
Darker −30%#010304
Darker −40%#000000
More saturated +25%#086096
Less saturated −25%#30566E

Channel breakdown

R28
G91
B130
Red28 (11%)
Green91 (35.7%)
Blue130 (51%)
Hue202.94°
Saturation (HSL)64.56%
Lightness30.98%
Dominant channelBlue
Hex per channelR 1C · G 5B · B 82

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1c5b82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.