#1F80DF
Closest named color: Water Blue (#0E87CC). oklch(59.6% 0.168 252.8), rgb(31, 128, 223).
Aa
Black text reads best on this color (5.21:1).
About this color
#1F80DF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.168 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.038 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #1F80DF |
| RGB | rgb(31, 128, 223) |
| HSL | hsl(210, 76%, 50%) |
| OKLCH | oklch(59.6% 0.168 252.8) |
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 #1F80DF | 4.02:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #1F80DF | 5.21:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #1F80DF text on white | 4.02:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #1F80DF text on black | 5.21:1 | 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 500.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300
#9BC4F5
oklch(80.8% 0.082 253.2)
-
Step 400
400
#61A4F0
oklch(70.7% 0.131 252.8)
-
Step 500
500 (this color)
#1F80DF
oklch(59.6% 0.168 252.8)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#074279
oklch(37.7% 0.109 252.5)
-
Step 950
950
#082747
oklch(27% 0.069 252.5)
#1F80DF 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) | #4F88E3 | 0.043 |
| Deuteranopia (no green cones) | #2977DD | 0.023 |
| Tritanopia (no blue cones) | #0097A4 | 0.125 |
| Achromatopsia (no color) | #7F7F7F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F80DF
#1F80DF
oklch(59.6% 0.168 252.8)
- #AC7100
#AC7100
oklch(59.6% 0.127 73.1)
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 #1F80DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.048
- Clear Blue #247AFD ΔE 0.050
- Windows Blue #3778BF ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.056
- Royal Blue #4169E1 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.060
- Soft Blue #6488EA ΔE 0.065
Use #1F80DF 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.