#2B8DF2
Closest named color: Dodger Blue (#1E90FF). oklch(64% 0.175 253.1), rgb(43, 141, 242).
Aa
Black text reads best on this color (6.19:1).
About this color
#2B8DF2 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.175 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.020 away. Black text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #2B8DF2 |
| RGB | rgb(43, 141, 242) |
| HSL | hsl(210, 88%, 56%) |
| OKLCH | oklch(64% 0.175 253.1) |
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 #2B8DF2 | 3.38:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #2B8DF2 | 6.19:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #2B8DF2 text on white | 3.38:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #2B8DF2 text on black | 6.19:1 | AA | Lc -40.8 | 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
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DCF9
oklch(88.6% 0.048 253.2)
-
Step 300
300
#9AC4F7
oklch(80.9% 0.085 253.6)
-
Step 400
400
#5EA4F3
oklch(70.7% 0.136 252.8)
-
Step 500
500 (this color)
#2B8DF2
oklch(64% 0.175 253.1)
-
Step 600
600
#0073D4
oklch(55.6% 0.172 253.1)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900
#03417C
oklch(37.6% 0.115 253.5)
-
Step 950
950
#072748
oklch(27% 0.071 252.7)
#2B8DF2 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) | #5A95F6 | 0.044 |
| Deuteranopia (no green cones) | #3583F0 | 0.025 |
| Tritanopia (no blue cones) | #00A5B4 | 0.129 |
| Achromatopsia (no color) | #8B8B8B | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B8DF2
#2B8DF2
oklch(64% 0.175 253.1)
- #BD7D00
#BD7D00
oklch(64% 0.136 73.4)
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 #2B8DF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.020
- Dark Sky Blue #448EE4 ΔE 0.026
- Chefchaouen Blue #4895EF ΔE 0.032
- Soft Blue #6488EA ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.053
- Clear Blue #247AFD ΔE 0.054
- Water Blue #0E87CC ΔE 0.060
- Cornflower #6A79F7 ΔE 0.069
Use #2B8DF2 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.