Nerdulator> put something in

Colour

#1C3D70

  • #1C3D70
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1C3D70 is a blue with RGB values 28, 61, 112 and HSL 216°, 60%, 27%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1C3D70#1C3D70
HEX#1C3D70
RGBrgb(28, 61, 112)
RGB (0–1)0.1098, 0.2392, 0.4392
RGB percentages11%, 23.9%, 43.9%
HSLhsl(216.4, 60%, 27.5%)
HSV / HSBhsv(216.4, 75%, 43.9%)
CMYK75%, 45.5%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,850,736
CSS custom property--colour: #1C3D70;

Brightness & contrast

Relative luminance0.04754WCAG 2.x, 0 is black and 1 is white
Perceived brightness62 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.76:1
Contrast with white10.76:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#E3C28F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#244272no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#153A6Fno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#004951no blue cones; rare, and affects men and women equally; ΔE 32.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.76:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.5Steel blue · ΔE 28.7Midnight blue · ΔE 31.3Dark slate grey · ΔE 35.2Slate grey · ΔE 36.2Light slate grey · ΔE 38.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#704F1C
Analogous#1C6770, #251C70
Triadic#701C3D, #3D701C
Split complementary#70251C, #67701C
Tetradic#701C67, #704F1C, #1C7025

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AA1DE
Lighter +30%#5185D4
Lighter +20%#3069C2
Lighter +10%#265399
Darker −10%#122747
Darker −20%#08111E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B3982
Less saturated −25%#2E415F

Channel breakdown

R28
G61
B112
Red28 (11%)
Green61 (23.9%)
Blue112 (43.9%)
Hue216.43°
Saturation (HSL)60%
Lightness27.45%
Dominant channelBlue
Hex per channelR 1C · G 3D · B 70

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 “1c3d70” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.