#1F85C6
Closest named color: Water Blue (#0E87CC). oklch(59.3% 0.133 243.1), rgb(31, 133, 198).
Aa
Black text reads best on this color (5.22:1).
About this color
#1F85C6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.133 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.010 away. Black text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #1F85C6 |
| RGB | rgb(31, 133, 198) |
| HSL | hsl(203, 73%, 45%) |
| OKLCH | oklch(59.3% 0.133 243.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1F85C6 | 4.01:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #1F85C6 | 5.22:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #1F85C6 text on white | 4.01:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #1F85C6 text on black | 5.22:1 | AA | Lc -34.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E5
oklch(81% 0.06 243.2)
-
Step 400
400
#6AA8D8
oklch(70.8% 0.095 243)
-
Step 500
500
#3C91CD
oklch(63.2% 0.121 243)
-
Step 600
600 (this color)
#1F85C6
oklch(59.3% 0.133 243.1)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#035482
oklch(42.8% 0.102 242.8)
-
Step 900
900
#124568
oklch(37.6% 0.08 243.5)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#1F85C6 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6687C9 | 0.060 |
| Deuteranopia (no green cones) | #4F78C5 | 0.045 |
| Tritanopia (no blue cones) | #00959C | 0.091 |
| Achromatopsia (no color) | #7F7F7F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F85C6
#1F85C6
oklch(59.3% 0.133 243.1)
- #B46909
#B46909
oklch(59.2% 0.133 62.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F85C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.010
- Cool Blue #4984B8 ΔE 0.033
- Steel Blue #4682B4 ΔE 0.034
- Windows Blue #3778BF ΔE 0.036
- Blue NCS #118AB2 ΔE 0.038
- Nice Blue #107AB0 ΔE 0.044
- Off Blue #5684AE ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.057
Use #1F85C6 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.