#1F85D3
Closest named color: Water Blue (#0E87CC). oklch(60% 0.148 247.6), rgb(31, 133, 211).
Aa
Black text reads best on this color (5.35:1).
About this color
#1F85D3 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.148 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.014 away. Black text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #1F85D3 |
| RGB | rgb(31, 133, 211) |
| HSL | hsl(206, 74%, 47%) |
| OKLCH | oklch(60% 0.148 247.6) |
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 #1F85D3 | 3.92:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #1F85D3 | 5.35:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #1F85D3 text on white | 3.92:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #1F85D3 text on black | 5.35:1 | AA | Lc -35.5 | 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 500.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9CC5EE
oklch(80.8% 0.073 248.7)
-
Step 400
400
#62A6E5
oklch(70.6% 0.116 248)
-
Step 500
500 (this color)
#1F85D3
oklch(60% 0.148 247.6)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#064472
oklch(37.7% 0.097 247.9)
-
Step 950
950
#082842
oklch(26.9% 0.061 247.3)
#1F85D3 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) | #5F89D6 | 0.052 |
| Deuteranopia (no green cones) | #4479D2 | 0.036 |
| Tritanopia (no blue cones) | #0098A2 | 0.105 |
| Achromatopsia (no color) | #818181 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F85D3
#1F85D3
oklch(60% 0.148 247.6)
- #B36E00
#B36E00
oklch(60% 0.132 67.5)
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 #1F85D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.014
- Windows Blue #3778BF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.044
- Cool Blue #4984B8 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.050
- Blue NCS #118AB2 ΔE 0.057
- Nice Blue #107AB0 ΔE 0.059
- Off Blue #5684AE ΔE 0.066
Use #1F85D3 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.