Nerdulator> put something in

Recognised as Colour

#1A174D

  • #1A174D
  • Blue
  • Dark
  • Nearest: Midnight blue

#1A174D is a blue with RGB values 26, 23, 77 and HSL 243°, 54%, 20%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1A174D#1A174D
HEX#1A174D
RGBrgb(26, 23, 77)
RGB (0–1)0.102, 0.0902, 0.302
RGB percentages10.2%, 9%, 30.2%
HSLhsl(243.3, 54%, 19.6%)
HSV / HSBhsv(243.3, 70.1%, 30.2%)
CMYK66.2%, 70.1%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,709,901
CSS custom property--colour: #1A174D;

Brightness & contrast

Relative luminance0.01368WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.49:1
Contrast with white16.49:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#E5E8B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00214Fno red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#001D4Cno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#00252Fno blue cones; rare, and affects men and women equally; ΔE 36.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.49:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.7Dark slateblue · ΔE 22Rebecca purple · ΔE 34.2Indigo · ΔE 38.6Black · ΔE 40.3Navy · ΔE 42
Nearest named CSS colourMidnight blue (#191970)ΔE 20.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A4D17
Analogous#172F4D, #35174D
Triadic#4D1A17, #174D1A
Split complementary#4D3517, #2F4D17
Tetradic#4D172F, #4A4D17, #174D35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6760D0
Lighter +30%#423AC3
Lighter +20%#352E9C
Lighter +10%#272374
Darker −10%#0D0B26
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F0A5A
Less saturated −25%#252441

Channel breakdown

R26
G23
B77
Red26 (10.2%)
Green23 (9%)
Blue77 (30.2%)
Hue243.33°
Saturation (HSL)54%
Lightness19.61%
Dominant channelBlue
Hex per channelR 1A · G 17 · B 4D

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 “1a174d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.