Nerdulator> put something in

Colour

#1A66B1

  • #1A66B1
  • Blue
  • Dark
  • Nearest: Steel blue

#1A66B1 is a blue with RGB values 26, 102, 177 and HSL 210°, 74%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1A66B1#1A66B1
HEX#1A66B1
RGBrgb(26, 102, 177)
RGB (0–1)0.102, 0.4, 0.6941
RGB percentages10.2%, 40%, 69.4%
HSLhsl(209.8, 74.4%, 39.8%)
HSV / HSBhsv(209.8, 85.3%, 69.4%)
CMYK85.3%, 42.4%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,730,225
CSS custom property--colour: #1A66B1;

Brightness & contrast

Relative luminance0.12897WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.87:1
Contrast with white5.87:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#E5994E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#406CB4no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#245EB0no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#007883no blue cones; rare, and affects men and women equally; ΔE 43.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.87:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.7Cornflower blue · ΔE 19.9Dark slateblue · ΔE 23.8Dodgerblue · ΔE 24.4Royal blue · ΔE 28.5Slate blue · ΔE 32.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1651A
Analogous#1AB1B0, #1A1BB1
Triadic#B11A66, #66B11A
Split complementary#B11A1B, #B1B11A
Tetradic#B01AB1, #B1651A, #1AB11A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5CCF2
Lighter +30%#79B2EB
Lighter +20%#4C99E5
Lighter +10%#2180DD
Darker −10%#134C85
Darker −20%#0D3358
Darker −30%#06192C
Darker −40%#000000
More saturated +25%#0166CA
Less saturated −25%#336698

Channel breakdown

R26
G102
B177
Red26 (10.2%)
Green102 (40%)
Blue177 (69.4%)
Hue209.8°
Saturation (HSL)74.38%
Lightness39.8%
Dominant channelBlue
Hex per channelR 1A · G 66 · B B1

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 “1a66b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.