Nerdulator> put something in

Recognised as Colour

#1F85CB

  • #1F85CB
  • Blue
  • Dark
  • Nearest: Steel blue

#1F85CB is a blue with RGB values 31, 133, 203 and HSL 204°, 74%, 46%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1F85CB#1F85CB
HEX#1F85CB
RGBrgb(31, 133, 203)
RGB (0–1)0.1216, 0.5216, 0.7961
RGB percentages12.2%, 52.2%, 79.6%
HSLhsl(204.4, 73.5%, 45.9%)
HSV / HSBhsv(204.4, 84.7%, 79.6%)
CMYK84.7%, 34.5%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,065,867
CSS custom property--colour: #1F85CB;

Brightness & contrast

Relative luminance0.21378WCAG 2.x, 0 is black and 1 is white
Perceived brightness124 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#E07A34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6488CEno red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#4B79CAno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#00969Eno blue cones; rare, and affects men and women equally; ΔE 40.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.9Cornflower blue · ΔE 15.9Dodgerblue · ΔE 24Deep skyblue · ΔE 24.2Light skyblue · ΔE 31.6Light slate grey · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB651F
Analogous#1FCBBB, #1F2FCB
Triadic#CB1F85, #85CB1F
Split complementary#CB1F2F, #CBBB1F
Tetradic#BB1FCB, #CB651F, #2FCB1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1E0F5
Lighter +30%#94CAEF
Lighter +20%#68B4E8
Lighter +10%#3C9EE1
Darker −10%#18689F
Darker −20%#114B73
Darker −30%#0B2E46
Darker −40%#04111A
More saturated +25%#028AE8
Less saturated −25%#3C80AE

Channel breakdown

R31
G133
B203
Red31 (12.2%)
Green133 (52.2%)
Blue203 (79.6%)
Hue204.42°
Saturation (HSL)73.5%
Lightness45.88%
Dominant channelBlue
Hex per channelR 1F · G 85 · B CB

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 “1f85cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.