#3A87F1
Closest named color: Dodger Blue (#1E90FF). oklch(63% 0.176 257.3), rgb(58, 135, 241).
Aa
Black text reads best on this color (5.91:1).
About this color
#3A87F1 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.176 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.029 away. Black text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #3A87F1 |
| RGB | rgb(58, 135, 241) |
| HSL | hsl(215, 87%, 59%) |
| OKLCH | oklch(63% 0.176 257.3) |
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 #3A87F1 | 3.54:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #3A87F1 | 5.91:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #3A87F1 text on white | 3.54:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #3A87F1 text on black | 5.91:1 | AA | Lc -39.0 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300
#9EC3F8
oklch(80.9% 0.085 257.3)
-
Step 400
400
#67A2F5
oklch(70.8% 0.137 257.1)
-
Step 500
500 (this color)
#3A87F1
oklch(63% 0.176 257.3)
-
Step 600
600
#106EE0
oklch(55.6% 0.192 257.4)
-
Step 700
700
#005BC2
oklch(49% 0.177 257.5)
-
Step 800
800
#074B9D
oklch(42.6% 0.147 257.3)
-
Step 900
900
#12407D
oklch(37.8% 0.115 257.2)
-
Step 950
950
#0C2649
oklch(27% 0.072 256.9)
#3A87F1 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) | #5191F5 | 0.035 |
| Deuteranopia (no green cones) | #2A80EF | 0.023 |
| Tritanopia (no blue cones) | #00A0B0 | 0.136 |
| Achromatopsia (no color) | #888888 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A87F1
#3A87F1
oklch(63% 0.176 257.3)
- #B57D00
#B57D00
oklch(63.1% 0.132 77.3)
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 #3A87F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.031
- Soft Blue #6488EA ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.041
- Clear Blue #247AFD ΔE 0.043
- Cornflower #6A79F7 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.058
- Water Blue #0E87CC ΔE 0.062
Use #3A87F1 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.