#2B82F3
Closest named color: Clear Blue (#247AFD). oklch(61.7% 0.188 257), rgb(43, 130, 243).
Aa
Black text reads best on this color (5.58:1).
About this color
#2B82F3 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.188 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.027 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #2B82F3 |
| RGB | rgb(43, 130, 243) |
| HSL | hsl(214, 89%, 56%) |
| OKLCH | oklch(61.7% 0.188 257) |
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 #2B82F3 | 3.75:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #2B82F3 | 5.58:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #2B82F3 text on white | 3.75:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #2B82F3 text on black | 5.58:1 | AA | Lc -37.1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFB
oklch(88.5% 0.051 256.7)
-
Step 300
300
#9BC3FC
oklch(80.9% 0.092 257.2)
-
Step 400
400
#61A1FB
oklch(70.6% 0.148 257.2)
-
Step 500
500 (this color)
#2B82F3
oklch(61.7% 0.188 257)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800
#004B9F
oklch(42.7% 0.151 256.9)
-
Step 900
900
#0A3F81
oklch(37.7% 0.123 257)
-
Step 950
950
#09264B
oklch(27.1% 0.077 256.3)
#2B82F3 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) | #428DF7 | 0.035 |
| Deuteranopia (no green cones) | #007BF1 | 0.025 |
| Tritanopia (no blue cones) | #009DAF | 0.142 |
| Achromatopsia (no color) | #848484 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B82F3
#2B82F3
oklch(61.7% 0.188 257)
- #B07900
#B07900
oklch(61.7% 0.129 77)
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 #2B82F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.047
- Soft Blue #6488EA ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.059
- Cornflower #6A79F7 ΔE 0.059
- Royal Blue #4169E1 ΔE 0.065
Use #2B82F3 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.