#2B84E6
Closest named color: Dark Sky Blue (#448EE4). oklch(61.2% 0.17 254.1), rgb(43, 132, 230).
Aa
Black text reads best on this color (5.54:1).
About this color
#2B84E6 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.170 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.035 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #2B84E6 |
| RGB | rgb(43, 132, 230) |
| HSL | hsl(211, 79%, 54%) |
| OKLCH | oklch(61.2% 0.17 254.1) |
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 #2B84E6 | 3.78:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #2B84E6 | 5.54:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #2B84E6 text on white | 3.78:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #2B84E6 text on black | 5.54:1 | AA | Lc -36.8 | 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
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9CC4F6
oklch(80.9% 0.083 254.3)
-
Step 400
400
#63A3F1
oklch(70.6% 0.133 254.3)
-
Step 500
500 (this color)
#2B84E6
oklch(61.2% 0.17 254.1)
-
Step 600
600
#0072D7
oklch(55.6% 0.177 254)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#0B417A
oklch(37.6% 0.111 254.2)
-
Step 950
950
#0A2748
oklch(27.1% 0.07 254.2)
#2B84E6 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) | #528CEA | 0.040 |
| Deuteranopia (no green cones) | #2E7BE4 | 0.023 |
| Tritanopia (no blue cones) | #009BAA | 0.126 |
| Achromatopsia (no color) | #838383 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B84E6
#2B84E6
oklch(61.2% 0.17 254.1)
- #B17600
#B17600
oklch(61.2% 0.13 74.3)
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 #2B84E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.035
- Water Blue #0E87CC ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.045
- Clear Blue #247AFD ΔE 0.046
- Soft Blue #6488EA ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.053
- Windows Blue #3778BF ΔE 0.063
- Cerulean Blue #056EEE ΔE 0.064
Use #2B84E6 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.